November 11, 2025

Trade: Kansas City RoyalsSan Francisco Giants

Mason Black changed clubs, and none of them amounted to much for either side.

franchise trade score · provisional

31worse

Franchise trade score31

Rest of season50WAR in0.0WAR out0.0Net0.0Net surplus$0.0M

Short term30WAR in-0.2WAR out0.0Net-0.2Net surplus−$1.4M

Control window31WAR in-0.2WAR out0.0Net-0.2Net surplus−$1.4M

Full tenure32WAR in-0.2WAR out0.0Net-0.2Net surplus−$1.4M

franchise trade score · provisional

69better

Franchise trade score69

Rest of season50WAR in0.0WAR out0.0Net0.0Net surplus$0.0M

Short term70WAR in0.0WAR out-0.2Net+0.2Net surplus$1.4M

Control window69WAR in0.0WAR out-0.2Net+0.2Net surplus$1.4M

Full tenure68WAR in0.0WAR out-0.2Net+0.2Net surplus$1.4M

Kansas City Royals received

Mason BlackP · 26 · pre-arb · 6 yrs control-0.2WAR (control) · 1 yr18

Rest of season47WAR0.0FIP−—IP0Surplus$0.0M

Short term17WAR-0.2FIP−155IP31Surplus−$1.4M

Control window18WAR-0.2FIP−155IP31Surplus−$1.4M

Full tenure19WAR-0.2FIP−155IP31Surplus−$1.4M

On the day: -1.1 WAR over the prior three seasons, FIP− 138.

Received	Status	Salary that year	Paid	WAR	$/WAR	Surplus
Mason Black	pre-arb	est.	$0.1M	-0.2	—	−$1.4M
Total over the control window			$0.1M	-0.2	—	−$1.4M

Logan Martinprospect—WAR (control)—

Not rated.

Nobody acquired here was traded on.

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player · size = WAR delivered, colour = percentile ( worse better) franchise trade 0 players · 0 trades · 0 clubs