Professional Baseball Career - Signed a professional baseball contract with the Texas Rangers' organization in June of 2002 after being selected in the eighth round of the 2002 MLB First-Year Player Draft ... Began his professional baseball career in the summer of 2002 with the Pulaski Rangers of the Appalachian Rookie League, hitting .370 with three homers, 24 RBI and 14 stolen bases in 48 games ... Moved to the Single A Savannah Sand Gnats of the South Atlantic League for his final nine games of the campaign, hitting .273 with a pair or RBI and a stolen base.
Cardinal Career (1999-2002) - A two-time All-Pac-10 choice that finished his four-year collegiate career among Stanford's all-time leaders in batting average (.352, 7th), doubles (49, 9th-T) and hits (262, 10th) ... Also earned First Team All-American honors in his outstanding junior season after hitting .359 with team-highs and career-highs of 12 homers and 68 RBI ... Started his final 176 collegiate games at second base, playing in a total of 193 games with 187 starts in his career ... Added other career totals of 25 home runs, 149 RBI, 30 stolen bases, seven triples, 90 bases on balls, 35 hit-by-pitches, 171 runs scored, a .537 slugging percentage, .434 on-base percentage and 76 multiple-hit games ... Had a career .974 fielding percentage, handling 898 of his 922 chances ... Homered against every Pac-10 team except Washington ... Did not make an error in his first 23 postseason games and finished with only two in 30 postseason contests ... Started his career as a true walk-on prior to the 1999 season and ended his career as one of the top infielders in Stanford history ... Graduated in June of 2002 with a Bachelor's degree in Economics.
As a Senior in 2002 - All-NCAA Regional, All-Pac-10, Second Team Academic All-American, Academic All-District VIII and First Team Pac-10 All-Academic selection ... Also won Stanford's Bruce R. Cameron Memorial Award (given annually to a player with outstanding proficiency in baseball, leadership and academic performance) and was a semifinalist for the Dick Howser Player of the Year honor given annually by the NCBWA to the nation's top collegiate player ... Finished the season with a .332 batting average, 10 homers, 47 RBI and seven stolen bases ... Led the team with nine sacrifice flies (#1T Pac-10) ... Second on the team and in the Pac-10 with 87 hits, while ranking third on the club and sixth in the Pac-10 with 59 runs scored ... Hit by 16 pitches, which ranked tied for second on the team and tied for third in the Pac-10, in addition to ranking tied for fifth on Stanford's all-time single-season list ... Fourth on the club with 20 multiple-hit games and added 11 multiple-RBI contests ... Also contributed 17 doubles, 30 bases on balls, a .519 slugging percentage and a .420 on-base percentage ... Reached base in 62 of 65 games played (all starts), including his first 38 games, and hit safely in 55 contests with three hit streaks of 10 or more games ... Led the Pac-10 with 214 assists ... Had a productive postseason with a .345 batting average, two homers, seven RBI and three stolen bases ... Hit .343 with five homers and 14 RBI in 24 Pac-10 games ... Was 4-for-11 (.364) with a double, four RBI and two stolen bases at the College World Series ... Had a pair of sacrifice flies to tie a CWS individual single-game record versus Texas (6/17) ... Hit by a pitch twice in the NCAA Super Regional clincher versus USC (6/8) ... Had a big NCAA Regional, going 5-for-12 (.417) with a homer in each game versus Long Beach State (6/1, 6/2) ... Led off the second game of the Regional versus Long Beach State (6/1) with a homer ... Had an eight-game hit streak (5/11 - 5/25) towards the end of the regular season in which he was 12-for-34 (.353) ... Had a pair of doubles at Nevada (5/14) ... Homered in a 3-1 win over Arizona State (5/12) ... Was 3-for-4 versus Arizona State (5/11) ... Tied a career-high four hits by going 4-for-6 with a double, homer and three RBI at Oregon State (4/28) ... Had a pair of career-best streaks snapped at Oregon State (4/26) when he was 0-for-4 without reaching base as a 12-game hit streak (4/5 - 4/24, 23-55, .418, 2 2B, 3 HR, 12 RBI, 2 SB) and a 38-game on base streak (2/1 - 4/24) ended ... Was 3-for-5 with four RBI versus Saint Mary's (4/16) ... Walked a career-high four times (the most by a Stanford player in 2002) versus USC (4/14) ... Was 3-for-5 with an RBI versus USC (4/13) ... Had a pair of big back-to-back games at Arizona, going 3-for-5 with the first two-homer game of his career and three RBI in the middle game of the series (4/6) before tying a career-high with four hits (4-5, SB) in the series finale (4/7) ... Had a 10-game hit streak (3/3 - 3/30), going 17-for-40 (.425) with four doubles, two homers and 11 RBI during the streak ... Hit a dramatic game-tying grandslam with two outs in the bottom of the ninth versus Texas (3/28) to send the game into extra innings in an eventual 7-6 Cardinal victory in 10 innings, finishing the game with a career-high five RBI ... Posted back-to-back three-hit games versus USC, going 3-for-4 with a double, homer and RBI in the series finale (3/24) and 3-for-5 with a double and two RBI the previous day in the nightcap of a doubleheader (3/23) ... Picked up his 200th career hit in the series-opener at USC (3/23 - Game 1) ... Picked up a three-hit game versus Cal Poly (3/3 - 3-4, 2B, RBI) after hitting a career-high three sacrifice flies (the most by a Stanford player in 2002) for his first three-RBI game of the year the previous day (3/2) ... Tied an individual career-high by scoring four runs in the series-opener versus Cal Poly (3/1) ... Posted an 11-game hit streak (2/8 - 3/1) but batted only a moderate .313 (15-48) with five doubles, a triple, homer and five RBI during the streak that included eight one-hit games ... Had a key two-run homer in the top of the ninth inning to nearly help the Cardinal pull off a comeback in a 7-6 loss at Florida State (2/10) ... Was 3-for-6 with two doubles and two RBI at Florida State (2/9) ... Earned 2002 First Team (Collegiate Baseball, NCBWA) and Second Team (Baseball America) Preseason All-American honors.
As a Junior in 2001 - Named a First Team All-American by the ABCA and NCBWA, while earning Second Team All-American honors from Baseball America and The Sporting News ... Also selected First Team All-Pac-10, Pac-10 All-Academic and Stanford's Most Valuable Player ... Led or co-led the Cardinal in a total of 16 categories, including home runs (12, #4T Pac-10) and RBI (68, #3 Pac-10) ... Had 101 hits to lead the club (#2 Pac-10), ranking sixth on Stanford's single-season hit list ... Also paced the club in doubles (17, #9-T Pac-10), runs scored (62, #3 Pac-10), bases on balls (32, team co-leader, #6-T Pac-10), total bases (158, #2 Pac-10), slugging percentage (.562, #9-T Pac-10), sacrifice flies (8, #2-T Pac-10), stolen bases (16, #4-T Pac-10), at bats (281, #1 Pac-10), multiple-hit games (30), multiple-RBI games (16), assists (216, #1 Pac-10), games played (68, team co-leader) and games started (68, team co-leader) ... Also second on the club with a .359 batting average and third with a .435 on-base percentage ... Tied for second on the club with 12 hit-by-pitches (#10-T Pac-10) ... Led the club with a .436 batting average in 24 Pac-10 games, adding six doubles, three homers and a team-high 29 RBI ... Had at least one RBI in 44 of the team's 68 games, including a stretch of 14 out of 15 games (3/23 - 4/14) ... Hit safely in 55 of 68 games, including a season-high 11-game hit streak (1/28 - 2/23) ... Struggled a bit in the postseason with a .265 batting average, two homers and five RBI ... Played in all 12 postseason games without an error (1.000, 23 PO, 32 A) ... Had a big College World Series moment in a second round 5-2 win over Cal State Fullerton (6/10) by driving in the go-ahead run with an RBI single in the top of the 10th inning ... Became only the sixth player in the history of Stanford Baseball (Sam Fuld became the seventh in 2002) to record 100 hits in a season when he picked up his 100th hit with an RBI single against Tulane (6/8) in the fifth inning of the CWS opener ... Had a huge NCAA Super Regional against South Carolina (7-14, .500, 2 2B, HR, RBI) after struggling in the NCAA Regional ... Tied a career-high with four hits (4-5, 2B) in the finale of the NCAA Super Regional (6/3) ... Had four other four-hit games at Washington State (5/19 - 4-4, 2B, 3B, 3 RBI), versus Arizona (5/12 - 4-5, 2 RBI), versus Oregon State (4/13 - 4-4, 2B, HR, RBI) and versus Florida State (2/11 - 4-5, 2B, HR, 3 RBI) ... Homered in the first game of the NCAA Super Regional (6/1) ... Put together a torrid 10-game hit streak (5/8 - 5/26) in which he was 23-for-41 (.561) with six doubles, a triple, two homers, nine RBI and a stolen base ... Posted a season-high-tying four RBI at USC (4/22 - 2-3, 4 RBI) and at Cal State Fullerton (2/3 - 3-5, 2B, 4 RBI) ... Posted six three-hit games versus Arizona (5/11 - 3-4), versus Cal Poly (5/8 - 3-4, 2B, HR, RBI), at California (4/28 - 3-4), at San Jose State (4/3 - 3-5, HR, RBI), at Cal State Fullerton (2/3 - 3-5, 2B, 4 RBI) and at Fresno State (1/28 - 3-5, 2B, HR, RBI) ... Had a total of four three-RBI contests, including games versus USC (3/10 - 1-3, HR, 3 RBI) and Oregon State (4/14 - 2-3, 2B, 3B, 3 RBI) ... Scored a career-high-tying and team season-high-tying four runs in the Cal Poly (5/8) contest ... Posted an eight-game hit streak (4/3 - 4/14), going 17-for-33 (.515) with two doubles, a triple, three homers, 11 RBI and two stolen bases with at least one RBI in each of the eight games ... Put together a red-hot first 14 games of the season (25-58, .431, 5 2B, 2 HR, 19 RBI), which included a season-high 11-game hit streak (1/28 - 2/23) in which he was 23-for-47 (.489) ... Hit a dramatic walk-off solo homer in the bottom of the 10th inning for a 3-2 win over California (3/7) ... Homered to lead off a game three times at San Jose State (4/3), at Santa Clara (2/26) and at Fresno State (1/28) ... Had a pair of RBI singles off National Player of the Year Mark Prior in the first game (3/9) of a home series versus USC to lift Stanford to a 2-0 win and hand Prior his only loss of the season ... Led off the first two games at Texas (2/16, 2/17) with singles and came around to score, giving the Cardinal leads it would not relinquish either day ... Hit a two-out, three-RBI double in the top of the ninth inning at Cal State Fullerton (2/3) to snap a 6-6 tie and boost the Cardinal to a 9-8 win ... Had a key two-RBI double with two outs in the top of the ninth inning in the season-opener at Cal Poly (1/21), tying the game at 5-5 and sending the contest into extra innings.
As a Sophomore in 2000 - Led the team with a .366 batting average, while adding 15 doubles, three homers, 34 RBI, 28 bases on balls and seven stolen bases ... Earned a pair of team awards (Most Improved Player, Jack Shepard Memorial Award - given annually to the Stanford player with the team's highest batting average) and was named First Team Pac-10 All-Academic ... Struck out only 17 times in 58 games (54 starts) ... Took over as the team's regular starting second baseman on March 5, going 2-for-4 versus Santa Clara ... Started 46 of the team's final 47 games at second base ... An honorable mention All-Pac-10 choice as he led the Cardinal with a .398 batting average and co-led the club with a .500 on-base percentage in 24 Pac-10 games ... Added eight doubles, two triples, a homer, 20 RBI, a pair of stolen bases and 22 runs scored in Pac-10 action ... Had an excellent postseason, hitting .378 with three doubles, a triple, 12 runs scored and stealing a team-high three bases, while playing a flawless second base (1.000, 16 PO, 22 A) ... Was 5-for-10 in his final two CWS games, going 3-for-5 with a double and an RBI versus Louisiana-Lafayette (6/15) and 2-for-5 against Louisiana State (6/17) in the CWS title game ... Was 7-for-17 (.412) with a pair of doubles and four RBI in four NCAA Regional contests, including a 3-for-5 game versus Alabama (5/27) ... Finished the season on a tear with 15 multiple-hit games in his last 26 contests, going 41-101 (.406) during the stretch ... Posted 26 multiple-hit games ... Hit safely in 39 of his last 53 games ... Posted an eight-game hit streak (4/4 - 4/16) and hit safely in 15 of 16 games (3/19 - 4/16) ... Had the first four-hit game of his career in a 4-for-4, two RBI performance at Oregon State (5/5) ... Had seven three-hit games ... Was 3-for-4 with a homer, three RBI and three runs scored in a key 19-3 win over UCLA (5/20) to keep the Cardinal in the Pac-10 title race ... Also had three RBI in the Cardinal's 17-11 win over UCLA (5/21) in the regular season finale to clinch a share of the Pac-10 championship ... Other three-hit games came at Santa Clara (5/9), versus California (4/30), at USC (4/22) and at Washington State (4/8) ... Had a huge series at Washington State (4/7 - 4/9), going 7-for-11 (.636) with two doubles, a pair of RBI and two runs scored ... Also productive in the three-game Pac-10 opening set against Arizona (5-10, 3 RBI) ... First collegiate hit was a key 10th inning home run at Florida State (2/12) that helped the Cardinal to an 8-6 victory.
As a Freshman in 1999 - Saw action in two contests as a reserve infielder ... Picked up an assist versus Fresno State in his only defensive chance of the campaign.
Amateur Summer Baseball - Played in the summer of 2001 with the Cotuit Kettleers of the Cape Cod League, hitting .236 with a homer, eight RBI, seven stolen bases and 18 bases on balls ... Played in the 2001 Cape Cod League and NECBL All-Star Games ... Spent the summer of 2000 with the Anchorage Bucs of the Alaska Baseball League, hitting .222 with a pair of doubles, four RBI, eight stolen bases and a team-high 18 bases on balls in 29 games ... Played summer ball in 1999 for the Orange County Barracudas and spent the summer of 1998 with the Tijuana Mayos of the San Diego Rookie League.
High School - A 1998 graduate of Bishop's High School ... Named First Team All-State (small schools) as a senior ... Two-time Coastal League MVP, First Team All-CIF and Second Team All-County selection ... Three-time All-Coastal League choice ... In football, named Coastal League and CIF Section Kicker of the Year as a senior ... Graduated Cum Laude with a 4.2 GPA ... Coached in baseball by Donald Canedo.
Personal - Son of William and Cindy O'Riordan ... One of five children in his family ... Father played collegiate football at Colorado ... Brother, Greg, played baseball at Fordham ... Favorite pro sports team is his hometown San Diego Padres, while he lists major league second baseman Roberto Alomar as his favorite athlete.