Quarterback Tyrrell Pigrome threw an interception with one minute left, sealing the Terps' fate.
McFarland has run for 340 yards this season.
Coach Mike Locksley also announced Wednesday that running back Anthony McFarland is day-to-day with a high ankle sprain.
“It wasn’t like it was a problem with the coverage. It was on us; we made a lot of mistakes that game.”
The Terps struggled to get anything going in their 40-14 loss to the Boilermakers on Saturday.
In place of an injured Josh Jackson, quarterback Tyrrell Pigrome couldn't find a rhythm.
“I feel like it’s unfinished business.”
Fellow offensive lineman Terrance Davis has helped guide Fontaine.
Leake opened the second half against Rutgers with a 100-yard kickoff return.
“If we execute, we can get it done against anybody.”