William Kempner
| William Kempner | |
|---|---|
| Miami Marlins – No. 71 | |
| Pitcher | |
| Born: June 18, 2001 San Jose, California, U.S. | |
Bats: Right Throws: Right | |
| MLB debut | |
| May 5, 2026, for the Miami Marlins | |
| MLB statistics (through July 9, 2026) | |
| Win–loss record | 1–0 |
| Earned run average | 1.74 |
| Strikeouts | 11 |
| Teams | |
| |
William McCullough Kempner (born June 18, 2001) is an American professional baseball pitcher for the Miami Marlins of Major League Baseball (MLB). He made his MLB debut in 2026.
Career
[edit]Kempner attended Valley Christian High School in San Jose, California, where he played for the school's baseball team.[1] He enrolled at Gonzaga University and played college baseball for the Gonzaga Bulldogs. He was selected by the San Francisco Giants in the third round of the 2022 Major League Baseball draft.[2]
On January 15, 2025, the Giants traded Kempner to the Miami Marlins in exchange for international pool money.[3] He made 48 appearances split between the High-A Beloit Sky Carp, Double-A Pensacola Blue Wahoos, and Triple-A Jacksonville Jumbo Shrimp, accumulating a 7–3 record with seven saves, a 2.26 earned run average, and 95 strikeouts across 67+2⁄3 innings pitched. On November 18, the Marlins added Kempner to their 40-man roster to protect him from the Rule 5 draft.[4]
Kempner was optioned to Triple-A Jacksonville to begin the 2026 season.[5] On May 5, he was promoted to the major leagues for the first time.[6] That night, he threw a scoreless eighth inning with one strikeout in his MLB debut.[7][8]
References
[edit]- ↑ Sabedra, Darren (June 12, 2019). "All-Bay Area News Group baseball: Meet the 2019 team". The Mercury News. Retrieved May 11, 2026.
- ↑ "Trystan Vrieling, Will Kempner and Brody Jessee Selected on Second Day of MLB Draft". Gonzaga University Athletics. July 18, 2022.
- ↑ Pavlovic, Alex (January 15, 2025). "Giants trade Sabol, pitching prospect for international pool money". NBC Sports Bay Area.
- ↑ "Marlins add top catching prospect Mack to 40-man roster". MLB.com.
- ↑ Jackson, Barry (March 9, 2026). "Updates on Garrett, Meyer, injuries, Conine at first, and 10 Marlins news items". Miami Herald. Retrieved March 25, 2026.
- ↑ "Marlins To Designate Chris Paddack For Assignment". mlbtraderumors.com. Retrieved May 5, 2026.
- ↑ "Baltimore Orioles vs Miami Marlins Box Score: May 5, 2026". Baseball-Reference.com. Retrieved May 12, 2026.
- ↑ "William Kempner records first career strikeout | 05/05/2026". MLB.com. Retrieved May 12, 2026.
External links
[edit]- Career statistics from MLB · Baseball Reference · Baseball Reference (Minors)
- 2001 births
- Living people
- Anchorage Bucs players
- Arizona Complex League Giants players
- Baseball players from San Jose, California
- Beloit Sky Carp players
- Eugene Emeralds players
- Gonzaga Bulldogs baseball players
- Jacksonville Jumbo Shrimp players
- Major League Baseball pitchers
- Miami Marlins players
- Pensacola Blue Wahoos players
- Richmond Flying Squirrels players
- San Jose Giants players
- Scottsdale Scorpions players