Kovacevic: Sticking by this QB after another clunker would be a Mistake

Cleveland's building.CLEVELAND -- "Yes. Yes, it does."

Mike Tomlin, at his weekly press conference three days ago, had described his intent to "exercise appropriate patience" with the Steelers' quicksand offense. And when pressed as to whether that includes the quarterback currently taking all the snaps amid that quicksand, the head coach came back with the answer above.

Authoritative, too:

Buying it?

Nope. Me neither.

I'll buy this: If Mitch Trubisky, on this Thursday night against Cleveland's beloved Keebler Elves at FirstEnergy Stadium -- 8:15 p.m. kickoff -- performs anywhere as low as the level he's exhibited through two games, Tomlin's "patience" will have blown off the biggest of chunks.…