bus numbers ; 1, 2 , 3, 5 , 6, 7, 9, 10,11, 18,21,28,30,31,34,37,38,40,41,42,44,45,46,47,48,50,x50,51,55,57,60,61,61,63,64,65,66,67,68,69,79,80.81,83,87,97,101,124,170,114,x20,
I know these as i'm in b'ham city center nearly every day.
thre's loads of buses, look up nxbus , centro journey planner , etc.
hope this helps, o'h the 97 from city center down Digbeth and I think down the Coventry Rd pass the blues ground