Mustangs fullback Joe Protheroe (5) runs through the line during the game between the Sac State Hornets and the Cal Poly Mustangs at Sac State in Sacramento on Saturday, October 29, 2016.
Mustangs fullback Joe Protheroe (5) runs through the line during the game between the Sac State Hornets and the Cal Poly Mustangs at Sac State in Sacramento on Saturday, October 29, 2016. Randall Benton rbenton@sacbee.com
Mustangs fullback Joe Protheroe (5) runs through the line during the game between the Sac State Hornets and the Cal Poly Mustangs at Sac State in Sacramento on Saturday, October 29, 2016. Randall Benton rbenton@sacbee.com

Cal Poly fullback Joe Protheroe out for 2017 season with knee injury

September 08, 2017 03:40 PM