| Rusty Filter | |
| Current Title: | Head coach |
| Current Team: | Santa Clara |
| Current Conference: | WCC |
| Current Record: | 152–179 |
| Birth Date: | 30 November 1968 |
| Birth Place: | Alameda County, California, U.S. |
| Player Years1: | 1987–1990 |
| Player Team1: | San Diego State |
| Player Years2: | 1990 |
| Player Positions: | Catcher / Pitcher |
| Coach Years1: | 1991 |
| Coach Team1: | San Diego State (asst.) |
| Coach Years2: | 1992–1993 |
| Coach Team2: | Mission Bay HS (asst.) |
| Coach Years3: | 1994–2009 |
| Coach Team3: | San Diego State (asst.) |
| Coach Years4: | 2010–2017 |
| Coach Team4: | Stanford (asst.) |
| Coach Years5: | 2018–present |
| Coach Team5: | Santa Clara |
| Overall Record: | 152–179 |
| Tournament Record: | WCC: 4–1 NCAA: 1–2 |
| Championships: | WCC Tournament (2023) |
Russell Dean Filter Sr. (born November 30, 1968) is an American college baseball coach and former catcher and pitcher. Filter is the head coach of the Santa Clara Broncos baseball team.
Filter attended Mission Bay Senior High School in San Diego, California. Upon graduation from high school, Filter enrolled at San Diego State University. Filter began his college career as a catcher, but found his calling as a pitcher for the Aztecs as a sophomore. Filter made 80 appearances and recorded 10 saves in his career.[1] Filter was selected by the Toronto Blue Jays in the 1990 Major League Baseball draft. Filter played the 1990 season with the St. Catharines Blue Jays, where he appeared in 19 games recording a 4.50 ERA and 2 saves.
Filter left the professional ranks following his stint in rookie ball, and became an assistant coach at San Diego State. He left the Aztecs after one season to become an assistant at Mission Bay High School. After two seasons at Mission Bay, Filter returned to San Diego State. Filter spend 16 seasons at SDSU and helped produce Stephen Strasburg as the first overall pick in the 2009 Major League Baseball draft.[2]
Filter moved on to be the pitching coach for the Stanford Cardinal in 2010. Filter stayed with the Cardinal for the duration of Mark Marquess tenure with the Cardinal, and interviewed to be his replacement,[3] but when Stanford chose David Esquer, Filter pursued other options.
On June 23, 2017, Filter was named the new head coach of the Santa Clara Broncos baseball program.