Former Arizona running back Keola Antolin isn’t used to running into walls at football practice, or being tackled into them during games.

You’d have to run pretty far to hit a wall at Arizona Stadium. But that’s life in the Indoor Football League, where Antolin plays for the Tri Cities Fever in Kennewick, Wash.

“You don’t even realize you hit the wall,” Antolin said. “It comes up so fast.”

In the IFL, the field is only 50 yards, it’s 8 players-on-8 (instead of 11-on-11) and padded walls surround the field.

Read more in Tuesday's Arizona Daily Star