Tarron Jackson, a defensive end seeking a roster spot with the 49ers, was placed on a backboard and hospitalized after a hard collision during Sunday's practice.

San Francisco 49ers defensive lineman Tarron Jackson was taken to the hospital after a scary injury at training camp.

Head coach Kyle Shanahan on Sunday was asked about rookie running back Jordan James and how the fifth-round pick has fared in his first portion of NFL training camp. Shanahan was complimentary of the rookie. He also highlighted the importance of pads for player evaluation.