Tripp Keister

Donald C. Keister

• Bats Left, Throws Left
• Height 5' 9", Weight 165 lb.
• School University of Delaware

• Born September 27, 1970

BR Minors page

Biographical Information

The New York Mets drafted outfielder Tripp Keister in the 33rd round of the 1992 Amateur Draft from the University of Delaware. He played in the Mets minor league system for four years and reached AA in his final season. Overall, Keister hit .269/.403/.322 for his professional career.

After his playing career ended, Keister turned to coaching at the college level. He was an assistant coach with the University of South Carolina Gamecocks from 1996 to 1998. During the summer of 1997 he managed the Wilmington Sharks in the Coastal Plain League. He returned to the Sharks in 1998, but resigned in mid-July after accepting a head coaching position at Delaware State University. Keister only stayed at Delaware State for two season before moving into professional baseball as an amateur scout for the San Diego Padres. He scouted for the Padres from 2001-2003. He returned to Delaware State in 2004, this time as Associate Athletic Director for Development. This position only lasted 18 months as Keister returned to coaching in July 2005 as head coach of Wesley College. He remained with the Wolverines through 2011. Keister had considerable success at Wesley as the Wolverines earned a conference championship under his leadership, he won a Conference Coach of the Year award, and he led the team to a school-record 30 wins in 2007. In his six season at Wesley, Keister's teams went 157-92-1. Including two seasons as the head coach at Delaware State, his career head coaching record was 202-130-1. In addition, Keister served as a hitting coach for the American Defenders of New Hampshire during their 2009 season in the independent Can-Am Association.

The Washington Nationals hired Keister in 2012 to manage their GCL Nationals squad. He moved up to the Hagerstown Suns in 2013 and received another promotion to the Potomac Nationals in 2014 where he led the team to a Mills Cup championship. Keister stayed at Potomac through 2019. After the 2015 season he managed the Salt River Rafters in the Arizona Fall League. Keister was scheduled to manage the newly renamed Fredericksburg Nationals in 2020 before the season was cancelled due to COVID-19. Keister stayed with the Nationals organization for two more years managing the Harrisburg Senators.

Keister moved to the Texas Rangers' organization as bench coach of the Frisco RoughRiders in 2023. He moved again to the Kansas City Royals' chain as a coach for the Omaha Storm Chasers in 2024, Columbia Fireflies in 2025, and Omaha Storm Chasers in 2026.

Year-by-Year Managerial Record

Year	Team	League	Record	Finish	Organization	Playoffs
2012	GCL Nationals	Gulf Coast League	27-33	11th	Washington Nationals
2013	Hagerstown Suns	South Atlantic League	80-57	3rd	Washington Nationals	Lost League Finals
2014	Potomac Nationals	Carolina League	78-58	2nd	Washington Nationals	League Champs
2015	Potomac Nationals	Carolina League	65-74	6th	Washington Nationals
2016	Potomac Nationals	Carolina League	73-65	4th	Washington Nationals	Lost in 1st round
2017	Potomac Nationals	Carolina League	63-77	8th	Washington Nationals
2018	Potomac Nationals	Carolina League	74-62	3rd	Washington Nationals
2019	Potomac Nationals	Carolina League	70-67	5th	Washington Nationals
2021	Harrisburg Senators	Double-A Northeast	42-76	11th	Washington Nationals
2022	Harrisburg Senators	Eastern League	52-85	12th	Washington Nationals