Michigan's Jim Harbaugh challenges scholarship players to earn spots

A look at the Wolverines' 2018 regular-season schedule, which opens at Notre Dame on Sept. 1, and finishes at Ohio State on Nov. 24. Video by Ryan Ford, Detroit Free Press Wochit

(Photo: Junfu Han, Detroit Free Press)Jim Harbaugh's annual roster evaluation is underway.

And, as is the case most years, he's opening up every spot in the final number of 110 players who will be able to participate in fall camp with Michigan football later this summer to the entire roster.

Walk-ons or otherwise.

"We posted it for the squad, so they know who was in the 110 as of June 1 and who is not in the 110 as of June 1. We do expect there will be movement, we hope it ignites competition in the summer," Harbaugh…