Red Sox Top Pitching Prospect Keeps Looking Like The Real Deal

Rising star Anthony Eyanson's dominance at Double-A is forcing the Red Sox to carefully consider his future.

Anthony Eyanson keeps giving the Red Sox more reason to pay attention.

The 21-year-old right-hander, already ranked as Boston’s No. 2 prospect for 2026 on MLB Pipeline behind shortstop Franklin Arias, turned in another sharp outing Saturday for Double-A Portland. Eyanson worked five scoreless innings against the Somerset Patriots, giving up one hit and one walk while striking out eight in the Sea Dogs’ 11-0 win over the Yankees’ Double-A club.

The performance pushed his minor league line even deeper into eye-catching territory. Through his first 14 games, 13 of them starts, Eyanson owns a 1.19 ERA with 79 strikeouts across 60 2/3 innings. That’s a remarkable start for a pitcher in his first season in the minors, and it’s only gotten better as the year has gone on.

Eyanson opened the season at High-A Greenville and was nearly untouchable there, posting a 0.44 ERA in five starts before moving up to Double-A in May. Since arriving in Portland, he’s kept rolling. He now has a 1.56 ERA in nine appearances with the Sea Dogs, including a June stretch in which he put up a 0.52 ERA in four starts and allowed just one earned run all month.

The Red Sox took Eyanson with the 87th overall pick in the 2025 MLB Draft after his final season at LSU, where he logged a 3.00 ERA in 20 games, struck out 152 batters and threw 108 innings. Boston has seen the same traits carry over immediately in pro ball.

There is one detail worth watching: Eyanson has not yet finished six innings in any minor league outing. That suggests the Red Sox are keeping a close eye on his workload, and it also makes a 2026 major league fast track seem unlikely. Still, if he keeps carving through hitters the way he has so far, he’s going to make that call a lot tougher on the organization.

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