The five-star recruit racked up 144 yards and two touchdowns against Penn State on Saturday.
It's the Terps' first win over the Nittany Lions since 2014.
Jake Funk rushed for a career-high 221 yards.
“They are one of the strengths of our team."
Penn announced he would play at LSU.
The three-star product joins the Terps from nearby St. John's College High School.
Among other signings, coach Mike Locksley secured five-star wideout Rakim Jarrett.
The Terps flipped local five-star wide receiver Rakim Jarrett from LSU on Wednesday.
Jarrett is the Terps' first five-star recruit since Damian Prince in 2014.