Michigan football: Four dark horse candidates for playing time heading into fall campby:Anthony Broome•07/17/23•anthonytbroomeRead In AppANN ARBOR, MI - SEPTEMBER 03: Michigan Wolverines wide receiver Peyton O'Leary (81) runs with the ball after catching a pass during a non-conference college football game between the Colorado State Rams and the Michigan Wolverines on September 3, 2022 at Michigan Stadium in Ann Arbor, Michigan. (Photo by Scott W. Grau/Icon Sportswire via Getty Images)