Also, the chase for more devastating "stuff". Workload may be down, but max effort is creating the rise in injuries per the study.
https://www.espn.com/mlb/story/_/id/43026688/mlb-study-identifies-factors-rise-pitching-injuries
https://www.espn.com/mlb/story/_/id/43026688/mlb-study-identifies-factors-rise-pitching-injuries