ANN ARBOR -- Among the various interesting tidbits in HBO's upcoming 'Real Sports' segment on Michigan coach Jim Harbaugh, Alex Boone's comments on Harbaugh's coaching philosophy have to sit toward the top.
The current San Francisco 49er offensive lineman -- and former Ohio State Buckeye -- explained how Harbaugh's constant motor was refreshing at first, but eventually wore on players because he was simply pushing them too hard.
"He does a great job of giving you that great spark," Boone says in the piece, which airs at 10 p.m. Tuesday night. "But after a while, you just want to kick his ass.