Top 3 are all Big Ten:
1. Ohio State
2. Nebraska
3. Penn State
http://collegefootballtalk.nbcsports.com/2015/04/18/big-ten-close-to-clinching-top-three-spring-attendance-crowds-in-2015/
1. Ohio State
2. Nebraska
3. Penn State
http://collegefootballtalk.nbcsports.com/2015/04/18/big-ten-close-to-clinching-top-three-spring-attendance-crowds-in-2015/