Donald C. Keister
- Bats Left, Throws Left
- Height 5' 9", Weight 165 lb.
- School University of Delaware
Tripp Keister was an assistant coach at the University of South Carolina from 1996 to 1998, and head coach at Delaware State University from 1999 to 2000 before assuming an amateur scouting post for the San Diego Padres. He was then head coach at Wesley College from 2006 through 2011. Keister was scheduled to be manager for the newly renamed Fredericksburg Nationals in 2020 before the season was cancelled due to Covid-19.
Year-by-Year Managerial Record
|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||Washington Nationals|