The White Sox have signed right-hander Lucas Sims to a minor league contract, per James Fegan of Sox Machine. The TWC client presumably be in camp as a non-roster invitee when pitchers and catchers report next month.
Sims, 31, opened the 2025 season with the Nationals but was cut loose after just 19 appearances. The right-hander’s command evaporated entirely while pitching in D.C. He tossed 12 1/3 innings and was tagged for 18 runs in that time, thanks largely to a bloated 19.4% walk rate and a staggering seven hit batters. He also tossed three wild pitches. Sims went on to sign a minor league deal with the Phillies, but his command in Triple-A wasn’t any better; he issued walks at an 18.6% clip and plunked nine more batters in 34 innings.
Though 2025 was clearly a lost season, Sims had a decent track record prior. From 2020-24, he pitched 189 2/3 innings between the Reds and Red Sox, combining for a 3.89 ERA with a 29.4% strikeout rate. Command was an issue for Sims even during that more solid run (13% walk rate), but certainly not to the extent he showed between the Nats and Phillies last season.
Even as he struggled in 2025, Sims appears to have been healthy. He didn’t make a trip to the major league or minor league injured list, and he wound up tossing a combined 46 1/3 innings despite a two-week layoff between those two clubs. His 94.9 mph average four-seamer in the majors was right in line (slightly higher, actually) than the 94.4 mph he’d averaged across the past three seasons. He dipped to 93.8 mph in Triple-A, but that wasn’t a particularly notable drop from the prior season’s 94.2 mph average.
The White Sox recently signed veteran reliever Seranthony Dominguez to a two-year, $20MM contract. He’ll enter the season as the favorite for closing opportunities, barring another addition, while righties Jordan Leasure and Grant Taylor will give manager Will Venable a pair of setup options who each punched out more than 30% of their opponents in 2025 (34.4%, in Taylor’s case). Righty Mike Vasil and lefty Tyler Gilbert are likely ticketed for swing roles after pitching well in ’25. That’s especially true for Gilbert, who’s out of minor league options.
The rest of the bullpen spots are largely up for grabs. Chicago currently has two Rule 5 picks (Alexander Alberto and Jedixson Paez) on the 40-man roster. Other bullpen candidates include Brandon Eisert, Jairo Iriarte, Wikelman Gonzalez and out-of-options lefty Bryan Hudson. Sims joins lefty Ryan Borucki and righty Tyson Miller as one of the more experienced non-roster invitees in camp who’ll be vying for one of those final spots.
