A bunch of NFL games Sunday will hinge on quarterback turnovers.
And those turnovers have already happened.
Some are the result of injured starters — Brock Osweiler for Peyton Manning in Denver, Matt Hasselbeck for Andrew Luck in Indianapolis, Mark Sanchez for Sam Bradford in Houston, and T.J. Yates for Brian Hoyer in Houston.
In St. Louis, Case Keenum will spell the struggling Nick Foles.
And Keenum will also be spelling C-A-S-E and K-E-E-N-U-M, which he helpfully did last week for a group of reporters at Rams Park.
"In case you were wondering," he told them with a smile.
Meanwhile, the Dallas Cowboys are...