The Chicago Bears may have traded up to draft Mitchell Trubisky at pick No. 2, but he’ll begin his pro career as No. 3 on the depth chart.

Mike Glennon will open camp as the team’s starting quarterback and Mark Sanchez will be his backup, Bears general manager Ryan Pace announced Wednesday, according to ESPN’s Jeff Dickerson.

It’s not a surprising development, as Glennon was signed to a three-year, $45-million deal in the offseason and Trubisky enters the pros with 13 college starts under his belt. The 22-year-old is in need of further seasoning.

“I just think you’ve got to bring these guys along the right way,” Pace said, according to Zach Zaidman of the Bears’ radio network.

Sanchez was also signed by the Bears before the draft. He inked a one-year, $2-million deal after spending the previous season as a backup with the Dallas Cowboys.

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