During the second-to-last period of practice, veteran defensive lineman Tarron Jackson collapsed on the field after he was blocked on a third-team 11-on-11 play. Trainers quickly surrounded the 27-year-old on the field for a few minutes before he eventually was loaded onto a stretcher and taken off the practice field on a cart.

San Francisco 49ers defensive end Tarron Jackson was taken to a local hospital for evaluation after a collision during a training camp practice Sunday.

The San Francisco 49ers held their breath toward the end of practice on Sunday when defensive lineman Tarron Jackson collapsed on the field, according to NBC Sports Bay Area. Jackson was taken off the field on a stretcher and transported to the hospital for further evaluation.