Gone as well are the Gibson, Drysdale, Ford, Kolfax, Marachal kind of starter. Hence
the new categories between the Starter and the Closer. Not sure what baseball is going to do about the reestablishment of pitching as the dominant feature of baseball. Even widespread use of PED's has not staved that off enough to matter.
Football's biggest problem is obviously concussion. Baseball's is a bit more basic. Does Baseball want four hour 10-9 ballgames or three hour 4-3 ballgames?