This is what the Cubs say. However, to be frank, the ability of teams to prevent pitching injuries these days is absolutely atrocious. The Cubs ability to prevent guys like Steele and Alzolay etc needing TJS shows they have no idea what they're doing on this front. I mean, they just traded for a guy with significantly dipping velo who got hurt 2 innings into his first appearance. An unexplained velo drop is often your body telling you something.
In 2023 we watched the Cubs ride Alzolay, Merryweather, and Leiter Jr hard that summer because the FO didn't bother acquiring the quality pen arm(s) at the deadline needed to give those guys more rest between appearances. In 2025 the situation isn't much better given our trade deadline and SP situation.
We also watched them put Steele on the IL last Aug with elbow issues then brought him back only a few weeks later to get his last 2 meaningless starts in even after being playoff eliminated instead of just shutting them down. ARE THEY STUPID???
So are they going to ride Boyd and Horton in a playoff hunt like they did those relievers simply because they want to win? Well Alzolay hit the IL in Sept 2023 and needed TJS shortly into the following season. I'm sorry Cubs but the cost/benefit for riding oft-injured pitchers is too steep to be doing that to these guys if this team plans to compete next year too. A bit of prevention & caution is a lot better than waiting for signs of fatigue or injury to pop up, which they seem to sometimes ignore anyways (e.g. Soroka, Steele).