Fantasy Baseball Trade Deadline: 31 Players Most Impacted
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- The Mariners are reportedly listening on Luis Castillo and Emerson Hancock, a move that could crack open a roster spot for top prospect Kade Anderson, currently seventh on their rotation depth chart.
- The Rockies are likely to shop Mickey Moniak and Jake McCarthy — Moniak hits .227 on the road vs .312 at home, McCarthy .272 vs .321 — to clear outfield corners for prospects Charlie Condon and Zac Veen.
- Mason Miller could lose closer duties for the second straight year: after last deadline's deal turned him into a setup man for Robert Suarez, Adrian Morejon is positioned to inherit the Padres closer role if Miller is moved again.
- Luke Weaver is being floated as a top closer trade chip for contenders like the White Sox, Cubs and Pirates, bringing closing experience from the Yankees' 2024 World Series run.
- Reid Detmers and Jose Soriano are likely on the way out of Anaheim, with Detmers' ERA consistently running well above his xERA and FIP, making each an appealing change-of-scenery candidate.
- The Cubs have a blocked infield surplus in Matt Shaw, Pedro Ramirez and James Triantos behind Bregman, Swanson and Hoerner — any of whom would slot in as a starter on a rebuilding club if traded.
Why it matters: For Fantasy managers, the trade deadline's biggest winners and losers aren't the marquee names who change uniforms — they're the prospects suddenly called up and relievers promoted into closing roles. With Monday's 6 p.m. ET cutoff approaching and 31 players flagged across sellers like the Mariners, Angels, Rockies and Cubs, tracking likely trade destinations reveals more actionable pickups than chasing the headline deals.
