2012 (Sophomore): Was a First Team Pac-12 All-Conference selection and one of four sophomores named to the first team...earned Collegiate Baseball Louisville Slugger All-America Second Team honors...tied for first in Div. I with 12 victories and was the Pac-12 Conference's only 12-game winner...became the 25th Sun Devil in the aluminum bat era to record 12 wins, and the first since 2010...became the team's Saturday starter after pitching out of the bullpen his freshman year...finished the season with a 2.05 ERA, third best in the Pac-12, and lowest on the team among pitchers who made more than one start...pitched 109.2 innings, sixth best in the conference and second-most on the team...struck out 59, second-best on the team, while walking 13, lowest on the team among pitchers with more 35 innings pitched...his 1.07 walks allowed per nine innings ranked 10th in Div. 1...tied for the team lead with 15 starts...recorded two complete game shutouts, including a 4-0 win over USC and a 2-0 win against Washington State...had a streak of 40 1/3 consecutive innings without issuing a walk that stretched across seven starts, and started on April 6 in an 8-2 win over Oregon State and ended on May 19 in an 8-4 win over Washington...struck out a career-high nine in a win over Utah on May 5...seventh in opposing batting average (.227) in the Pac-12...part of a pitching staff that finished in the top 10 in Div. I in both walks allowed per nine innings and WHIP...named to College Baseball Hall of Fame Pitcher of the Year Watch List...named Pac-12 Pitcher of the Week for April 29...selected to the Team USA National Collegiate Team.
2011 (Freshman): Had a tremendous debut season, earning Collegiate Baseball Freshman All-American honors and Honorable Mention All-Pac-10...appeared in a team-high 32 games, mostly as the eighth inning man...recorded a 1-0 record with a save...pitched 39.2 innings with a 2.50 ERA...struck out 35 hitters while walking only six...opponents hit a mere .200 against him.
High School: A 2010 graduate of Rancho Bernardo High School in San Diego, California...earned three varsity letters in baseball...was team captain during his senior year...was a Second Team All-League pick as a junior and a First Team All-League pick his senior season...was a Second Team All-CIF as a senior and was a preseason Under Armour All-American...was twice named his Team MVP...had a 10-2 record and hit .432 as a senior.
Personal: Majoring in secondary education in history...parents are Richard and Jennifer Williams of San Diego...has two younger brothers, Trent and Tanner...enjoys surfing and fishing...says Denzel Washington is his favorite actor...lists Good Burger as his favorite movie...born April 25, 1992...full name is Trevor Anthony Williams.
Career Pitching Stats at Arizona State:
| Year | ERA | G | GS | CG | W | L | SV | IP | H | R | ER | BB | SO | Opp/Avg |
| 2011 | 2.50 | 32 | 0 | 0 | 1 | 0 | 1 | 39.2 | 28 | 11 | 11 | 6 | 35 | .200 |
| 2012 | 2.05 | 16 | 15 | 2 | 12 | 2 | 0 | 109.2 | 90 | 33 | 25 | 13 | 59 | .227 |
| Total | 2.17 | 48 | 15 | 2 | 13 | 2 | 1 | 149.1 | 118 | 44 | 36 | 19 | 94 | .220 |
Career Highs at Arizona State:
| Complete Games | 2 | Twice, vs. USC (4/14/12) at Washington St (4/28/12) |
| Innings | 9.0 | Twice, lastat Washington St (4/28/12) |
| Ks | 9 | vs. Utah (5/5/12) |
Honoring his commitment in the summer of 2012, Williams made two appearances in the Cape League before heading off to Team USA. Williams wore #34 in honor of his teammate and roommate, Cory Hahn, who had plans to play in the Cape League before being injured at ASU. Williams' gesture made sure Hahn finally made it to the Cape.