Batting
| Most Runs in a game | 16 (twice, last vs. San Francisco, 5/10) |
| Fewest Runs in a game | 0 (at Cal State Fullerton, 2/5) |
| Most Runs in an inning | 8 (three times, last eighth inning vs. Cal Poly, 5/22) |
| Most Hits in a game | 19 (three times, last vs. USC, 4/18) |
| Fewest Hits in a game | 2 (twice, last vs. USC, 6/4) |
| Most HRs in a game | 4 (three times, last at UCLA, 5/16) |
| Most Triples in a game | 4 (vs. San Francisco, 5/10) |
| Most Doubles in a game | 7 (at Nevada, 5/4/99) |
| Most Stolen Bases in a game | 8 (at Arizona, 3/27) |
| Most Walks in a game | 12 (at UCLA, 5/16) |
| Fewest Walks in a game | 1 (four times, last vs. Washington State, 4/2) |
| Most Strikeouts in a game | 13 (at USC, 2/26) |
| Fewest Strikeouts in a game | 0 (vs. Santa Clara, 2/14) |
Pitching
| Most Runs Allowed in a game | 17 (vs. USC, 4/18) |
| Fewest Runs Allowed in a game | 0 (five times, last vs. USC, 6/4) |
| Most Hits Allowed in a game | 22 (vs. USC, 4/18) |
| Fewest Hits Allowed in a game | 3 (five times, last vs. Pacific, 5/5) |
| Most Strikeouts in a game | 18 (vs. California, 2/22) |
| Fewest Strikeouts in a game | 4 (three times, last vs. Florida State, 6/17) |
| Most Walks Allowed in a game | 10 (vs. Florida State, 6/17) |
| Fewest Walks Allowed in a game | 0 (vs. Saint Mary's, 5/7) |
Individual Season Highs
Batting
| At Bats | 7 (three times, last by Nick Day and |
| Edmund Muth vs. Florida State, 6/18) | |
| Hits | 5 (twice, last by Josh Hochgesang at Nevada, 5/4) |
| Runs | 5 (Josh Hochgesang at Nevada, 5/4) |
| Home Runs | 3 (John Gall at UCLA, 5/15) |
| RBI | 7 (three times, last by John Gall at Cal, 4/24) |
| Doubles | 2 (13 players tied) |
| Triples | 1 (eight players tied) |
| Stolen Bases | 3 (Jeff Rizzo vs. Washington State, 4/1) |
| Walks | 4 (Jeff Rizzo at Texas, 3/20) |
| Total Bases | 13 (Josh Hochgesang at Nevada, 5/4) |
| Longest Hit Streak | 12 (Billy Jacobson, 3/20-4/10) |
Pitching
| Innings (starter) | 9.0 (11 times, last by Jason Young vs. |
| Cal State Fullerton, 6/12) | |
| Innings (relief) | 6.1 (Tony Cogan vs. Fresno State, 1/31) |
| Fewest Runs (CG) | 0 (three times, last by Jason Young vs. USC, 6/4) |
| Fewest Hits (CG) | 3 (twice, last by Brian Sager vs. Washington State, 4/3) |
| Fewest Walks (CG) | 0 (Jason Young vs. Saint Mary's, 5/7) |
| Most Strikeouts (CG) | 16 (Jason Young vs. Arizona State, 3/5) |
Miscellaneous
| Longest Win Streak | 12 (4/24-5/14) |
| Longest Losing Streak | 3 (1/30-2/5) |
| Largest Victory Margin | 13 (16-3, vs. San Francisco, 5/10) |
| Largest Losing Margin | 8 (8-0, at Cal State Fullerton, 2/5) |
| Longest Game (time) | 4:35 (13 innings vs. Florida State, 6/18) |
| Longest Game (innings) | 14 (vs. California, 2/22) |
| Shortest Game (time) | 1:56 (vs. Pacific, 5/5) |
1999 Pacific-10 Conference in Review and Final Standings
| Conference | Overall | |||||||
| Team | W | L | Pct. | GB | W | L | T | Pct. |
| Stanford*+^ | 19 | 5 | .792 | - | 50 | 15 | 0 | .769 |
| USC+ | 17 | 7 | .708 | 2.0 | 36 | 26 | 0 | .581 |
| Arizona+ | 13 | 11 | .542 | 6.0 | 33 | 23 | 0 | .589 |
| UCLA+ | 13 | 11 | .542 | 6.0 | 31 | 31 | 0 | .500 |
| Arizona State | 12 | 12 | .500 | 7.0 | 39 | 21 | 0 | .650 |
| Washington | 12 | 12 | .500 | 7.0 | 33 | 23 | 0 | .589 |
| California | 11 | 13 | .458 | 8.0 | 27 | 31 | 0 | .466 |
| Oregon State | 7 | 17 | .292 | 12.0 | 19 | 35 | 0 | .352 |
| Washington State | 4 | 20 | .167 | 15.0 | 24 | 31 | 0 | .436 |
* Pac-10 Champion+ NCAA Tournament entrant^ College World Series entrant
Team Batting
| Team | Avg. | G | AB | R | H | HR | RBI | BB | SO | SB |
| Arizona State | .356 | 60 | 2199 | 679 | 782 | 67 | 599 | 369 | 397 | 130 |
| USC | .311 | 62 | 2122 | 480 | 661 | 87 | 426 | 284 | 471 | 65 |
| Stanford | .307 | 65 | 2322 | 521 | 714 | 70 | 481 | 316 | 341 | 85 |
| Washington | .302 | 56 | 1987 | 452 | 601 | 89 | 418 | 245 | 477 | 73 |
| Arizona | .300 | 56 | 2008 | 431 | 603 | 53 | 388 | 243 | 412 | 62 |
| Washington State | .298 | 55 | 1971 | 421 | 588 | 76 | 401 | 285 | 452 | 48 |
| UCLA | .297 | 62 | 2226 | 439 | 662 | 87 | 396 | 287 | 428 | 23 |
| Oregon State | .292 | 54 | 1903 | 353 | 556 | 40 | 320 | 265 | 460 | 23 |
| California | .273 | 58 | 1995 | 392 | 545 | 86 | 361 | 270 | 426 | 75 |
Team Pitching
| Team | ERA | G | IP | H | R | ER | BB | SO | SHO | SV |
| Stanford | 4.43 | 65 | 593.1 | 575 | 340 | 292 | 255 | 605 | 5 | 11 |
| USC | 4.89 | 62 | 544.1 | 579 | 360 | 296 | 256 | 568 | 4 | 10 |
| Arizona State | 4.94 | 60 | 526.1 | 565 | 347 | 289 | 243 | 507 | 6 | 7 |
| UCLA | 5.73 | 62 | 542.1 | 586 | 425 | 345 | 331 | 488 | 2 | 13 |
| California | 5.91 | 58 | 510.0 | 563 | 404 | 335 | 274 | 407 | 4 | 9 |
| Arizona | 6.05 | 56 | 501.0 | 604 | 389 | 337 | 252 | 448 | 2 | 14 |
| Washington | 6.28 | 56 | 497.0 | 608 | 439 | 347 | 268 | 433 | 3 | 14 |
| Washington State | 6.91 | 55 | 480.1 | 622 | 446 | 369 | 225 | 358 | 3 | 7 |
| Oregon State | 7.41 | 54 | 465.0 | 608 | 446 | 383 | 241 | 343 | 1 | 7 |
1999 All-Pac-10 Team
| Player | Pos. | Yr. | School |
| Garrett Adkins+ | INF | So. | UCLA |
| Andrew Beinbrink^ | INF | Sr. | Arizona State |
| Joe Borchard | OF | So. | Stanford |
| Dominic Correa | INF | Sr. | USC |
| Seth Davidson+ | INF | So. | USC |
| Keoni DeRenne | INF | So. | Arizona |
| John Gall+ | INF | Jr. | Stanford |
| Joe Gerber+ | INF | Jr. | Oregon State |
| Greg Hanican | OF | Sr. | USC |
| Ray Hattenburg | INF | Jr. | Washington State |
| Jeff Heaverlo | RHP | Jr. | Washington |
| Josh Hochgesang | INF | Sr. | Stanford |
| Jason Lane | OF | Sr. | USC |
| Xavier Nady+ | INF | So. | California |
| Bill Scott | OF | Fr. | UCLA |
| Mike Tonis | C | So. | California |
| Chase Utley | INF | So. | UCLA |
| Bryan Williamson+ | OF | Sr. | Washington |
| Dominic Woody | C | Jr. | Washington |
| Jason Young | RHP | So. | Stanford |
^ - Three-time selection
+ - Two-time selection