August 2, 2026 · Cash considerations

Trade: Chicago White SoxSeattle Mariners

Luis Castillo, Seranthony Domínguez and Nolan Jones changed clubs, and none of them amounted to much for either side.

Chicago White Sox

franchise trade score · provisional

19far worse

Franchise trade score19

Rest of season9WAR in-0.4WAR out-0.1Net-0.3Net surplus−$6.8M

Short term17WAR in-0.4WAR out-0.1Net-0.3Net surplus−$6.8M

Control window19WAR in-0.4WAR out-0.1Net-0.3Net surplus−$6.8M

Full tenure20WAR in-0.4WAR out-0.1Net-0.3Net surplus−$6.8M

Seattle Mariners

franchise trade score · provisional

81far better

Franchise trade score81

Rest of season91WAR in-0.1WAR out-0.4Net+0.3Net surplus$6.8M

Short term83WAR in-0.1WAR out-0.4Net+0.3Net surplus$6.8M

Control window81WAR in-0.1WAR out-0.4Net+0.3Net surplus$6.8M

Full tenure80WAR in-0.1WAR out-0.4Net+0.3Net surplus$6.8M

Chicago White Sox received

Luis CastilloP · 34 · signed (FA) · 2 yrs control-0.4WAR (control) · 1 yr9

Rest of season5WAR-0.4FIP−153IP26Surplus−$10.7M

Short term8WAR-0.4FIP−153IP26Surplus−$10.7M

Control window9WAR-0.4FIP−153IP26Surplus−$10.7M

Full tenure10WAR-0.4FIP−153IP26Surplus−$10.7M

too little playing time to rate quality

On the day: +7.6 WAR over the prior three seasons, FIP− 96, salary $24.1M, signed through 2027.

Received	Status	Salary that year	Paid	WAR	$/WAR	Surplus
Luis Castillo	signed (FA) thru 2027	$24.1M	$8.1M	-0.4	—	−$10.7M
Total over the control window			$8.1M	-0.4	—	−$10.7M

Seattle Mariners received

Cash—WAR (control)—

Not rated — cash.

Seranthony DomínguezP · 32 · signed (FA) · 2 yrs control-0.1WAR (control) · 1 yr21

Rest of season12WAR-0.1FIP−148IP16Surplus−$3.9M

Short term20WAR-0.1FIP−148IP16Surplus−$3.9M

Control window21WAR-0.1FIP−148IP16Surplus−$3.9M

Full tenure22WAR-0.1FIP−148IP16Surplus−$3.9M

too little playing time to rate quality

On the day: +1.1 WAR over the prior three seasons, FIP− 83, salary $7.5M, signed through 2027.

Nolan JonesRF · 28 · arb 2 · 2 yrs control0.0WAR (control)45

Rest of season47WAR0.0wRC+—PA0Surplus$0.0M

Short term45WAR0.0wRC+—PA0Surplus$0.0M

Control window45WAR0.0wRC+—PA0Surplus$0.0M

Full tenure45WAR0.0wRC+—PA0Surplus$0.0M

never reached the majors for SEA

On the day: +1.3 WAR over the prior three seasons, wRC+ 71.

Boston Smithprospect—WAR (control)—

Not rated.

Received	Status	Salary that year	Paid	WAR	$/WAR	Surplus
Seranthony Domínguez	signed (FA) thru 2027	$7.5M	$3.3M	-0.1	—	−$3.9M
Nolan Jones	arb 2	est.	$0.0M	0.0	—	$0.0M
Total over the control window			$3.3M	-0.1	—	−$3.9M

What this became

Nobody acquired here was traded on.

Also that day

Bailey Falter, ATL ⇄ KCR, 2026Atlanta Braves ⇄ Kansas City Royals Tarik Skubal, DET ⇄ LAD, 2026Detroit Tigers ⇄ Los Angeles Dodgers Jameson Taillon, CHC ⇄ TOR, 2026Chicago Cubs ⇄ Toronto Blue Jays Freddy Peralta, NYM ⇄ TBR, 2026New York Mets ⇄ Tampa Bay Rays Brett Bateman, CHC ⇄ TOR, 2026Chicago Cubs ⇄ Toronto Blue Jays Tyler Mahle, ATL ⇄ SFG, 2026Atlanta Braves ⇄ San Francisco Giants

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

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