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.

SANTA CLARA, Calif. (AP) — San Francisco 49ers defensive lineman Tarron Jackson was taken to the hospital after a scary injury at training camp practice but had all feeling in his extremities. Jackson ...

SANTA CLARA, Calif. (AP) — San Francisco 49ers defensive lineman Tarron Jackson was taken to the hospital after a scary injury at training camp practice but had all feeling in his extremities.