Jordan Watkins Injury: Could be headed for lengthy absence

Watkins (calf) has been ruled out ahead of Sunday's game against the Jaguars, Matt Barrows of The Athleticreports.

Watkins was added to the injury report Thursday and was quickly ruled out for Sunday's game. Coach Kyle Shanahan stated the injury is a long-term issue, and Watkins is a candidate to be placed on injured reserve, Nick Wagoner of ESPN.com reports.