| Jim Horner | |
| Birth Date: | 11 November 1973 |
| Birth Place: | Snoqualmie, Washington |
| Player Years1: | 1993–1996 |
| Player Team1: | Washington State |
| Player Years2: | 1996 |
| Player Team2: | Everett AquaSox |
| Player Years3: | 1997 |
| Player Team3: | Lancaster JetHawks |
| Player Years4: | 1997 |
| Player Team4: | Wisconsin Timber Rattlers |
| Player Years5: | 1998 |
| Player Team5: | Orlando Rays |
| Player Years6: | 1999–2000 |
| Player Team6: | New Haven Ravens |
| Player Years7: | 2001–2004 |
| Player Team7: | Tacoma Rainiers |
| Player Years8: | 2002–2004 |
| Player Team8: | San Antonio Missions |
| Player Years9: | 2003 |
| Player Team9: | Peoria Javelinas |
| Player Positions: | Catcher |
| Coach Years1: | 2006–2007 |
| Coach Team1: | Wisconsin Timber Rattlers |
| Coach Years2: | 2008–2010 |
| Coach Team2: | High Desert Mavericks |
| Coach Years3: | 2011–2012 |
| Coach Team3: | Texas Tech (assistant) |
| Coach Years4: | 2013 |
| Coach Team4: | High Desert Mavericks |
| Coach Years5: | 2014–2015 |
| Coach Team5: | Jackson Generals |
| Coach Years6: | 2016–2019 |
| Coach Team6: | Washington State (assistant) |
James Patrick Horner (born 11 November 1973) is an American professional baseball manager and a former minor league baseball player. He was previously the pilot of the Class A Wisconsin Timber Rattlers (2006–2007), High Desert Mavericks (2008–2010; 2013) and Class AA Jackson Generals (2014-2015) all Seattle Mariners affiliates.
He was an assistant coach for the Washington State Cougars baseball team from 2016 to 2019.[1]
The 6feet, 210lb Horner had a nine-year playing career, all within the Mariners' minor leagues, as a catcher from to . The highest level of the minors Horner reached was Triple-A in with the Tacoma Rainiers. In his nine-year career Horner batted .259 with 116 doubles, six triples, 59 home runs and 298 runs batted in. He threw and batted right-handed.
Horner led the 2009 Mavericks to an 83–57 (.593) record, winning the first- and second-half California League South Division titles.[2] [3] He was named the league's Manager of the Year.[4] On July 30, 2010, he resigned as High Desert's manager to become assistant baseball coach of Texas Tech University, serving through the 2012 campaign. He then returned to the Mavericks in 2013; he is the winningest manager in the franchise's 23-year history.[5]
As of the start of the 2014 season, his six-year win–loss record as a skipper was 369–434 (.460).[6]