Regardless of Peyton Manning, it's clear Brock Osweiler can't yet carry Broncos

The Raiders stormed the Broncos in a shutdown second half, stomping all over quarterback Brock Osweiler for a 15-12 victory. They snapped an eight-game losing streak against their AFC West rivals. PAIGE: Gary Kubiak's Broncos offense pitiful again in

Dec 13, 2015; Denver, CO, USA; Denver Broncos quarterback Brock Osweiler (17) throws a pass during the second half against the Oakland Raiders at Sports Authority Field at Mile High. The Raiders won 15-12. Mandatory Credit: Chris Humphreys-USA 

Dec 13, 2015; Denver, CO, USA; Denver Broncos quarterback Brock Osweiler (17) throws a pass during the second half against the Oakland Raiders at Sports Authority Field at Mile High. The Raiders won 15-12. Mandatory Credit: Chris Humphreys-USA 

Denver Broncos quarterback Brock Osweiler (17) celebrates after running for a touchdown during the first half of an NFL football game in Pittsburgh, Sunday, Dec. 20, 2015. (AP Photo/Fred Vuich) (Associated Press) 

The Denver Broncos are not a threat to advance far in the playoffs with Brock Osweiler at quarterback. That is not an indictment of Osweiler as an NFL starter at quarterback, and it is not an endorsement that the Broncos should switch back to Peyton