Is a quarterback controversy brewing at Toledo?

Toledo quarterback John Alan Richter looks to pass during the fourth quarter of Saturday's game at Buffalo.AMHERST, N.Y. — A well-established unwritten rule in sports demands that injured players not lose their starting position because of injury.

John Alan Richter tried to test that edict on Saturday in a 30-15 loss at Buffalo, with a trip to Northern Illinois looming.

In his first extended playing time, the third-year sophomore led a valiant comeback attempt, completing 16 of 23 passes for 227 yards and two touchdowns. He was responsible for nearly 60 percent of UT’s 418 total yards despite only playing three possessions.

“I was just trying to chip away, trying to get the ball moving, trying…