Tim Tebow isn’t an NFL-caliber QB, but neither are some of the players still getting snaps under center this season. Kirk Cousins, Johnny Manziel and Blake Bortles all struggled on Sunday. All three finished on the wrong end of lopsided defeats and were bad enough to rehash the Tebow conversation.

Below is a recap and highlights of each performance.

Kirk Cousins

Okay, Jay Gruden, this is “Kirk’s team.” Any chance you’d consider rethinking that?

Cousins struggled in a 17-10 loss to the Dolphins, finishing 21-of-31 for 196 yards and one TD. It was his two INTs, however, that proved to be costly.

Johnny Manziel

The Browns already have one overrated QB who can’t run a pro-style offense, so why not add a second? At least Tebow can take a hit.

Entering for Josh McCown -- who suffered a concussion late in the first quarter -- Manziel opened his 31-10 loss to the Jets in stellar fashion. The former first-round pick found Travis Benjamin for 54 yards for the team's only TD.

Then, he remembered who he is.

Manziel finished 13-of-24 for 182 yards and added an INT in addition to his TD. To make matters worse, the college athlete formerly known as Johnny Football lost two fumbles, as he struggled to adjust his reads.

Blake Bortles

The more Bortles continues to struggle, the more people will question why the Jaguars didn’t take a chance on a hometown kid. Bortles was 22-of-40 for 183 yards and one TD.

He turned the ball over twice en route to a 20-9 loss to the Panthers.

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