Well, I'm not sure what I would do as a commissioner, but I would like to see teams give equal time to defense and offensive practice during the season. Not really part of the commissioner's job though. As for your list. 1) I agree - hate the DH 2) The commissioner would really have very little power over this. and even if an edict like that was handed down, I'm not sure how many new ballparks would be constructed, given the extra cost of adding a retractable roof. Would you expect current stadiums to retrofit a roof on their current place? Not really realistic. 3&4) Wow, I completely disagree. The different dimensions of the game is one of the things that adds character, tradition, and separates it from other sports. The Green Monster in Boston, the spaciousness of the old Polo Grounds. I would never want to go back the cookie cutter stadiums of the 70's.