Are you denying that the AL is a better "hitting" league?
NL pitchers that migrate to the AL often (as in almost always) see their ERA rise and those who migrate in the opposite direction often see theirs go down.
Are you denying that the AL is a better "hitting" league?
NL pitchers that migrate to the AL often (as in almost always) see their ERA rise and those who migrate in the opposite direction often see theirs go down.