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As a Junior in 2002-03: Competed in 10 events (31 rounds) for Stanford with a 74.9 stroke average ... Posted one top-10 finish on the year ... Tied for sixth at the Windon Memorial Classic, turning in a three-round score of 214 ... Cleveland Golf All-American Scholar Athlete ... Pac-10 All-Academic First-Team selection ... Tied for 35th at the Western Intercollegiate, carding a 223 over three rounds ... Tied for 37th overall at the U.S. Intercollegiate with a score of 219 ... Also tied for 37th at the Pac-10 Championships, recording a four-round total of 304 ... Tied for 67th at the NCAA West Regional with a total score of 226 ... Shot a season-low 68 in the third round of the ASU Thunderbird Invitational.
As a Sophomore in 2001-02: Competed in 12 events (37 rounds) for the Cardinal with a 73.3 stroke average ... Recorded seven top 25 finishes on the season ... Tied for 15th at the Husky Invitational, carding a three-day total of 222 ... Tied for 14th at the Fresno Lexus Classic, shooting a 219 ... Shot a season-best three-day total 214 on two occasions - the Nelson Invitational and Oregon Duck Invitational ... Best finish on the season was a tie for 11th (twice) at the Pac-10 Championships and Oregon Duck Invitational ... Tied for 13th at the Cleveland Golf Classic with a 219 ... Shot a career-low round of 67 in the opening round of the conference championships ... Tied for 44th at the NCAA West Regional ... Tied for 21st at the Nelson Invitational (214) and tied for 17th at Stanford's U.S. Intercollegiate (217).
As a Freshman in 2000-01: Competed in two tournaments for the Cardinal in his rookie campaign ... Tied for 48th in the Nelson Invitational, recording a season low 72 in the first round ... Finished the Nelson Invitational with rounds of 72, 75, 77 for a total of 224 ... Also competed in the PING Arizona Intercollegiate and finished tied for 69th place with rounds of 75, 76, 76 for a total of 227 ... Ended the season with a 75.1 stroke average.
High School: Cherry Creek, 2000... Graduated with a 4.5 GPA... Had three top-10 finishes in American Junior Golf Association competitions... Honored as an Academic All-American.
Personal:Son of Debbie and M.J. Mastalir... Dad played golf and coached at Colorado University...Plans on majoring in Economics... Lists intramural sports as a hobby.
Career Statistics
| Year | Events | Rounds | Strokes | Avg. | Low/Low Trn. |
| 2000-01 | 2 | 6 | 451 | 75.1 | 72/224 |
| 2001-02 | 12 | 37 | 2712 | 73.3 | 67/214 |
| 2002-03 | 10 | 31 | 2323 | 74.9 | 68/214 |
| Totals | 24 | 74 | 5486 | 74.1 | 67/214 |