Pirates Buy Bullpen Depth at Deadline; Doval's Strikeout Floor Becomes Liability in Setup Role

By Justin Erickson ·

Pittsburgh trades for a former All-Star closer recast as a setup man, but his underlying stuff and volatile ERA hide a functional strikeout prop edge in a lower-leverage slot.

Pirates Buy Bullpen Depth at Deadline; Doval's Strikeout Floor Becomes Liability in Setup Role

The Pirates acquired right-handed reliever Camilo Doval from the Yankees on August 1st, trading prospects Omar Alfonzo and Luis Cruz in what amounts to a mid-tier bullpen recalibration at the deadline. Doval, 29 and under control through 2027, joins Pittsburgh as an attempt to shore up a relief corps that has converted just 20 of 41 save opportunities—a genuinely dire 48.8% rate. The move signals urgency from a team with legitimate playoff aspirations but obvious bullpen exposure.

Doval's résumé tells two distinct stories. In San Francisco, he was a legitimate closer—made the All-Star Game in 2023, led MLB with 39 saves that same year. Last year's deadline trade to New York promised continuity at a premium relief role. Instead, the Bronx experiment became a cautionary tale about acquisition timing and role fit. This season in pinstripes, Doval posted a 4.54 ERA across 39⅔ innings, primarily operating as a setup man rather than the ninth-inning anchor he'd been. The strikeout velocity is still there—his fastball velocity profile hasn't degraded—but consistency has. A 4.54 ERA in 40 innings represents unpredictable run support or command issues, not a pitcher cooked on pure stuff.

Pittsburgh's bullpen construction clarifies the role immediately. The Pirates lean heavily on left-handed relievers (Mason Montgomery and Gregory Soto form the backbone), creating genuine scarcity on the right side. Doval will operate in the 6th and 7th inning slots primarily, inherited runners and leverage situations where strikeouts matter most. Here's where the underlying numbers favor bettors: despite his elevated ERA, Doval's strikeout-per-nine rate sits at 9.8 this season in New York—a number that didn't move meaningfully from his San Francisco average of 10.1 per nine. The ERA inflation stems from home runs (1.81 HR/9, up from his career 1.15) and walking batters at slightly higher rates than his peak years. But strikeout stuff? That's durable.

The market will reprice Doval's reliever props upward based on the 4.54 ERA headline—books will likely shade his strikeout lines higher than they should. What won't be immediately priced is that setup-role usage typically draws fewer innings per appearance and lighter workload distribution across a season. A cheaper-than-deserved strikeout line early in his Pirates tenure—before Pittsburgh's bullpen usage patterns are fully televised in the betting markets—represents an early-window edge. His first three outings as a Pirate will be noise (sample size), but if you can catch him at -130 or worse on a strikeout prop in his debut week, that's worth circling. The floor on his strikeout stuff remains intact; the context (lower leverage, fewer innings per outing) just hasn't been repriced yet.