If Nebraska can compete without a dome I'm sure you all could as well.
Baseball isn't a huge money maker but it would be great to see you all bring it back.
From the pictures in the link posted above it looks like you all would have a pretty nice facility if you built some stands, lights, and fixed it back up.
Here are the other current stadiums in the Big 12
Baylor - Baylor Ballpark - Capacity (5,000)
Kansas - Hoglund Ballpark - Capacity (2,500)
Kansas State - Tointon Family Stadium (2,331)
Missouri - Taylor Stadium - Capacity (3,000) but adding 600
Nebraska - Haymarket Park - Capacity (8,500)
Oklahoma - L. Dale Mitchell Baseball Park - Capacity (2,700)
Oklahoma State - Allie P. Reynolds Stadium - (3,821)
Texas - UFCU Disch–Falk Field - Capacity (6,649)
Texas A&M - Olsen Field - Capacity (7,053)
Texas Tech - Dan Law Field - Capacity (5,050)