White Sox Trade Ron Marinaccio To Padres

The Padres have acquired right-handed reliever Ron Marinaccio from the White Sox in exchange for cash, per announcements from both clubs. Chicago designated Marinaccio for assignment earlier in the week. San Diego’s 40-man roster is now up to 35 players.

Marinaccio, 29, has appeared in each of the past three big league seasons, with all his MLB time coming as a member of the Yankees. He’s posted a sub-4.00 ERA in all three of those individual seasons, working to a composite 3.22 mark with a strong 28.2% strikeout rate but an ugly 12.6% walk rate. Marinaccio averaged 93.6 mph on his heater this past season and paired that offering with a changeup and slider, both of which reside in the low 80s.

The ChiSox claimed Marinaccio off waivers from the Yankees on Sept. 23. He didn’t make it into a game for the South Siders, but given the general state of disarray within their roster, he seemed like he’d have a chance to factor into the 2025 bullpen mix. General manager Chris Getz ultimately felt differently, as Marinaccio was bumped from the 40-man roster this week to open space for veteran innings eater Martin Perez.

Marinaccio’s track record in Triple-A is generally supportive of his output in the big leagues, making it something of a surprise that the White Sox moved on for next to no return. He’s pitched in parts of four seasons there and logged a 3.35 ERA in 91 1/3 innings, fanning 29.9% of his opponents against an 11.3% walk rate along the way. Marinaccio still has one minor league option year remaining, and he’s controllable through the 2028 season as things currently stand (though future optional assignments could change that calculus). He won’t be eligible for arbitration until next offseason at the earliest.