No idea. My post was about the fact arms aren't stronger than before players were injured. Now, they should throw harder than while injured, before surgery. I don't know why Luke can't throw harder.
On a different topic, Clemens has really gone ice cold. L
Pitchers don't come back stronger than before they were hurt. They come back healthier than when they were hurt but had not yet had surgery. There was a study on this a few years ago.