| Tommy Nicholson | |
| Current Title: | Head coach |
| Current Team: | UC Davis |
| Current Conference: | Big West |
| Current Record: | 52–99 |
| Birth Date: | 23 August 1979 |
| Birth Place: | Santa Ana, California, U.S. |
| Player Years1: | 1998–2000 |
| Player Team1: | Texas |
| Player Years2: | 2000 |
| Player Team2: | Burlington Bees |
| Player Years3: | 2001–2004 |
| Player Team3: | Winston-Salem Warthogs |
| Player Years4: | 2003–2004 |
| Player Team4: | Charlotte Knights |
| Player Years5: | 2003–2005 |
| Player Team5: | Birmingham Barons |
| Player Years6: | 2005 |
| Player Team6: | Tulsa Drillers |
| Player Years7: | 2005 |
| Player Team7: | Colorado Springs Sky Sox |
| Player Positions: | Infielder |
| Coach Years1: | 2009–2010 |
| Coach Team1: | Texas (VA) |
| Coach Years2: | 2011–2012 |
| Coach Team2: | Sacramento State (IN/H) |
| Coach Years3: | 2013–2016 |
| Coach Team3: | Texas (IN/H) |
| Coach Years4: | 2017 |
| Coach Team4: | Sacramento State (IN/H) |
| Coach Years5: | 2018–2021 |
| Coach Team5: | Stanford (IN/H) |
| Coach Years6: | 2022–present |
| Coach Team6: | UC Davis |
| Overall Record: | 52–99 |
| Tournament Record: | NCAA: 0–0 |
Thomas Blair Nicholson (born August 23, 1979) is a baseball coach and former infielder, who is the baseball head coach of the UC Davis Aggies. He played college baseball at Texas from 1998 to 2000 for head coach Augie Garrido.
Nicholson went to Esperanza High School in Anaheim, California, where he played shortstop. As a senior he hit .456 with 7 homeruns and 46 RBI.[1]
Nicholson attended the University of Texas in Austin, Texas. He was a member of the Texas Longhorns baseball team that played in the 2000 College World Series.
He would be selected in the 11th round of the 2000 Major League Baseball draft by the Chicago White Sox. Nicholson would spend 6 years in Minor League Baseball for the White Sox and Colorado Rockies's organizations.
Nicholson joined the coaching staff of the Longhorns in 2009 as a volunteer assistant. He returned in the same role in 2010. For the 2011 and 2012 seasons, Nicholson was named the hitting and infield coach at Sacramento State where he helped tutor Rhys Hoskins.[2] In the summer of 2012, Nicholson returned to Austin, to join Garrido's coaching staff as hitting and infield coach.[3] Nicholson returned to Sacramento State in 2017, before joining the coaching staff of the Stanford Cardinal in 2018.
On December 13, 2021, Nicholson was named the head baseball coach of the UC Davis Aggies.[4]