January 15, 2025

William Kempner and 1 others: Miami MarlinsSan Francisco Giants

William Kempner changed clubs, and none of them amounted to much for either side.

Miami Marlins
franchise trade score · provisional
64better
Franchise trade score64
Rest of season50WAR in0.0WAR out0.0Net0.0Net surplus$0.0M
Short term65WAR in+0.1WAR out0.0Net+0.1Net surplus$0.8M
Control window64WAR in+0.1WAR out0.0Net+0.1Net surplus$0.8M
Full tenure64WAR in+0.1WAR out0.0Net+0.1Net surplus$0.8M
San Francisco Giants
franchise trade score · provisional
36worse
Franchise trade score36
Rest of season50WAR in0.0WAR out0.0Net0.0Net surplus$0.0M
Short term35WAR in0.0WAR out+0.1Net-0.1Net surplus−$0.8M
Control window36WAR in0.0WAR out+0.1Net-0.1Net surplus−$0.8M
Full tenure36WAR in0.0WAR out+0.1Net-0.1Net surplus−$0.8M

Miami Marlins received

William KempnerP · 24 · prospect · 6 yrs control+0.1WAR (control) · 1 yr61
Rest of season47WAR0.0FIP−—IP0Surplus$0.0M
Short term63WAR+0.1FIP−80IP12Surplus$0.8M
Control window60WAR+0.1FIP−80IP12Surplus$0.8M
Full tenure60WAR+0.1FIP−80IP12Surplus$0.8M

too little playing time to rate quality

ReceivedStatusSalary that yearPaidWAR$/WARSurplus
William Kempnerprospectest.$0.1M+0.1—$0.8M
Total over the control window$0.1M+0.1—$0.8M

San Francisco Giants received

Player to be named later—WAR (control)—

Not rated — never reached the majors.

What this became

Nobody acquired here was traded on.

Also that day

BAL ⇄ SEA, 2025Baltimore Orioles ⇄ Seattle MarinersPIT ⇄ TOR, 2025Pittsburgh Pirates ⇄ Toronto Blue JaysCHC ⇄ NYY, 2025Chicago Cubs ⇄ New York Yankees

The web around this trade

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player · size = WAR delivered, colour = percentile ( worse better) franchise trade 0 players · 0 trades · 0 clubs
All MIA ⇄ SFG tradesHow the scores work