William Kempner headshot

William Kempner

PR/R24 yrsUnited StatesActive
Jacksonville Jumbo Shrimp
Debut: — · Draft: 2022

Birthplace

San Jose, CA, USA

Season Highlights

No stats yet.

Profile

2026 Season · —

Bio

Position
P
Bats / Throws
R / R
Birth Date
Jun 18, 2001
Debut
—

Season Splits

Splits are shown as stored by team. Some players may have multiple rows after trades.

Seasons: — · Hitting: 0 · Pitching: 0 · Fielding: 0

Trade & Transaction History

1 recorded move.

Optioned

Mar 8, 2026

Trade

Miami Marlins optioned RHP William Kempner to Jacksonville Jumbo Shrimp.

From Miami MarlinsTo Jacksonville Jumbo Shrimp