The Cubs have claimed left-hander Ryan Rolison off waivers from the White Sox, per ESPN’s Jesse Rogers. The Sox designated Rolison for assignment when they needed to open a 40-man roster spot for free agent signee Sean Newcomb.
A first-round pick by the Rockies back in 2018, Rolison didn’t make his major league debut until the 2025 season, as injuries significantly derailed his trajectory to the majors. He wound up tossing 42 1/3 frames for Colorado — 31 relief appearances, one start — and being tagged for a grim 7.02 earned run average in that time. He pitched well out of the bullpen in Triple-A, however, notching a 3.34 ERA with a 25.2% strikeout rate, 7.1% walk rate and 48.8% ground-ball rate.
Rolison previously sat in the upper 80s and low 90s with his four-seamer while working as a starter, but his average fastball jumped to 93 mph this season while working in short relief. Home runs were a major issue for him in his debut campaign (2.34 HR/9), but despite that penchant for serving up the long ball, he actually induced a large amount of weak contact. When opponents did manage to barrel Rolison, those balls left the yard too often, but hitters still averaged a measly 87.5 mph off the bat against him.
More to come.
