Kiser (leg) was placed on injured reserve Monday.
Kiser was carted off the practice field Sunday due to an apparent lower body injury, Tashan Reed of The Athletic reports.
Kiser recorded 12 tackles (five solo) in Sunday's 34-13 loss to the Chargers.
Kiser (groin) was activated from IR on Saturday.
Kiser (groin) was placed on injured reserve Saturday, Ryan O'Halloran of The Denver Post reports.
Kiser (groin) is expected to miss "a couple weeks," Ben Swanson of the Broncos' official site reports.
Kiser has been ruled out of Thursday's game against the Browns after suffering a groin injury.
Kiser exited Thursday's game against the Browns with a groin injury and is questionable to return, Patrick Smyth, Chief Communications Officer of the Broncos, reports.