MegaBus has fares to Pittsburgh for $1.00 and the Pittsburgh stop is only a 15 minute walk from the arena.
There are no late return trips so you would have to get a room, or spend the night in The Rivers Casino (since our guv is fucking with ours). But you can make the Sunday matinee and be back in town in the evening.
Or you can check out PNC Field. Or go raise hell at the Browns Steelers game and have a designated driver back to town.
You can also get the $1.00 fare from downtown Akron.
Chicago is a $35.00 fare from Cleveland.