Michigan coach Rich Rodriguez wants answers.
After starting 4-0, his team has stumbled, losing four of its last five. That includes a shocking 38-13 loss at Illinois last week.
Rodriguez thinks he may have one explanation, saying his team is too tight.
Besides a 727-yard performance against Delaware State -- and that so doesn't count -- the offense has struggled recently.
Michigan managed only 110 and 113 yards rushing the last two weeks. The Wolverines average over 200 rushing yards per game. Carlos Brown has a team-high 465 yards rushing and averages six yards per carry. Brandon Minor has five rushing touchdowns and 322 yards.
Quarterback Denard Robinson has 287 and five TDs. Starting quarterback Tate Forcier also is athletic and skilled.
So there's some talent, just no results of late.
It's no wonder patience may be wearing a bit thin in Ann Arbor.
All seems to make it an even tougher game for Purdue on Saturday. A reeling team in its own stadium against a program that hasn't won there since 1966.