WK
SP

William Kempner

MIA active

William Kempner is a SP for the MIA (MLB). Currently active. William is a starting pitcher tracked by PlayCaller for fantasy baseball streaming and roster decisions.

Frequently Asked Questions

Is William Kempner playing this week?
As of July 12, 2026, no injury designation has been reported for William Kempner. He is expected to be available this week.
Should I start William Kempner in fantasy baseball this week?
Start/sit decisions for William Kempner depend on current injury status, matchup, and recent usage. See PlayCaller's live analysis above for the most current recommendation.
What is William Kempner's injury status?
As of July 12, 2026, no injury designation has been reported for William Kempner. He is listed as active.
How has William Kempner been performing recently?
Recent stat lines for William Kempner update as games complete during the active season. Check the stats section above for the latest data.
Recent Performance

  Stats update during the season. Get AI-powered recommendations below.

William Kempner takes the mound for Miami as a starting pitcher with the Marlins. Without recent performance data available, his current role and trajectory remain unclear, but he's part of the organization's rotation. Watch how he develops as the season progresses.

See Also
Brian Navarreto
C
Brian Navarreto
C · MIA
CG
SP
Cade Gibson
SP · MIA
CF
SP
Calvin Faucher
SP · MIA
Esteury Ruiz
OF
Esteury Ruiz
OF · MIA
EP
SP
Eury Pérez
SP · MIA
Griffin Conine
OF
Griffin Conine
OF · MIA
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