Theodhosi, with 21 carries, had his second 100-yard game this season after missing the 2010 and 2011 campaigns with knee injuries.
Donnelly hit Andrew Marks with a 7-yard pass with 4:02 elapsed to open the scoring. After the Hoyas tied it at 10 with 11:22 left in the first half, Theodhosi scored on an 18-yard run.
Stephen Skon, making his first career start after leading Georgetown over Princeton 21-20 last week, generated only 159 yards total offense for the Hoyas (3-2) compared to Brown's 361.
Alex Norocea kicked three Bears field goals.
After surviving the Les Miles telenovela, which landed LSU's big cigars at No. 5, we're left to ponder who can claim the Bottom 10 title.
Kirk Herbstreit believes that No. 10 North Carolina will not make the jump into the top four of the final College Football Playoff rankings.
SEC Network's Matt Stinchcomb and Clint Stoerner discuss whether or not Alabama defensive coordinator Kirby Smart will be a good fit as Georgia head coach.
After building a reputation as one of the nation's top assistants at Oregon, Scott Frost will have the resources to succeed at UCF.
SEC Network's Matt Stinchcomb and Clint Stoerner discuss the dominance of Alabama's defensive line.
SEC Now's Clint Stoerner and Matt Stinchcomb discuss the impact No. 18 Florida's secondary will have on No. 2 Alabama.