Redskins backup quarterback Pat White tries to elude Buffalo’s Kiko Alonso on Saturday. (Ricky Carioti / The Washington Post)

The Washington Redskins yo-yoed quarterbacks Rex Grossman and Pat White in and out of the lineup during Saturday’s 30-7 preseason victory over the Buffalo Bills at FedEx Field. Coach Mike Shanahan said the unusual division of playing time was to simulate what is required of a reserve quarterback during the regular season.

“When you’re the second-team, third-team or fourth-team quarterback, that’s what happens during a game,” Shanahan said. “You’ve got to come off the bench cold. You’ve got to produce even though you’re not warmed up. We wanted to put both guys in a similar situation today and both get a chance to play with basically the same players…. I was pleased with both guys and how they played.”

Grossman and White split the playing time with the Redskins’ top two quarterbacks, Robert Griffin III and Kirk Cousins, not playing.

“I was expecting to play every three series,” Grossman said. “I was assuming near the end that they were going to let him play the rest of the half. They gave me the option [to return to the game] and I was like, ‘Yeah.’ I’m not gonna turn that down…. It shouldn’t matter. A lot of other sports do that all the time. Basketball does it all the time…. It really shouldn’t matter.”

White said he’s happy with any chance he gets to play.

“Every little bit helps,” he said. “It happens in practice similar to the games where first string gets most the reps and I guess backup has to come in and be able to perform to the best of your abilities with the opportunities that you get.”