ENGLEWOOD, Colo. (AP) Trevor Siemian, locked in a tight battle with Mark Sanchez for the Broncos' starting quarterback job, will get his turn to start on Saturday night, when Denver plays a preseason game against the San Francisco 49ers.

Sanchez, acquired in a trade with Philadelphia as a potential replacement for the retired Peyton Manning, started last week's game.

Rookie first-round pick Paxton Lynch also is in the mix, though the bulk of his work has been with the third team.

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Siemian and Sanchez have split repetitions with the Broncos first-team offense throughout training camp and with the two waging a close competition for the job, coach Gary Kubiak decided Siemian should also get a crack at starting.

Kubiak said he would like to make a decision on a starter next week but did not rule out taking more time to finalize his pick.