DE Tarron Jackson was talking and moving his extremities after sustaining an injury during Sunday's practice. He was discharged from the hospital Sunday night and back with the team Monday.

The 49ers have placed defensive end Tarron Jackson on injured reserve, the team announced on Tuesday. Jackson, 27, had to be taken off the field on a stretcher over the weekend after sustaining a neck injury.

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.