Trick question. Honestly, the absolute first thing I would do is fix the uniforms and logo. Not sure that it really helps the team at all … but, if I'm plumping that much money to buy the team, I'm dang sure going to make sure our home white uniforms are fantastic like they used to be, and the away uniforms look a lot better than they do today. And no more logo going against the curvature of the helmet.
Yeah, yeah, yeah, everyone has a different opinion, but if I'm dropping $1B+ … I'm getting classy uniforms dangit!