Drew Lock has been through this before.
The former starter for the Mizzou football team played with three different offensive coordinators in his four seasons as quarterback for the Tigers. He had three different quarterback coaches as well. And now, he is seeing that change in the NFL.
The Broncos announced Tuesday that they have hired Mike Shula, the former head coach of Alabama, as the QB coach for the team. Shula comes on staff from the New York Giants, where he worked for former head coach Pat Shurmur, who earlier was named the offensive coordinator for Denver after he was let go by the Giants after the season.