Mason (shoulder) had one carry for five yards in Sunday's 23-20 win over the Buccaneers.

Mason (shoulder) doesn't have an injury designation for Sunday's game in Tampa Bay, Brianna Dix of the Buccaneers' official site reports.

Mason (shoulder) was a limited practice participant Thursday, Nick Wagoner of ESPN.com reports.

Coach Kyle Shanahan said Monday that Mason aggravated his existing shoulder injury in Sunday night's win over the Cowboys and is viewed as day-to-day, Nick Wagoner of ESPN.com reports.

Mason (shoulder) was a full practice participant Friday and doesn't have a designation for Sunday's game against the Cowboys.

Mason (shoulder) practiced in a limited fashion Thursday, Cam Inman of The San Jose Mercury News reports.

Coach Kyle Shanahan said Mason will be limited at Wednesday's practice due to an ankle injury, Cam Inman of The San Jose Mercury News reports.

Mason (shoulder) doesn't have an injury designation for Sunday's game against the Chiefs, Matt Barrows of The Athletic reports.

Mason (shoulder) is practicing in a non-contact jersey Friday, Nick Wagoner of ESPN.com reports.

Mason (shoulder) practiced in a limited capacity Thursday, Matt Maiocco of NBC Sports Bay Area reports.