Mancuso's 10-yard TD run put the Spiders up 6-3 and the redshirt junior hit Fuller on a 40-yard bomb on the next possession. Richmond led 20-10 at halftime after Mancuso's 3-yard TD pass to Fuller.
Mancuso, 23 of 30 for 318 yards passing with an interception, extended the lead to 17 when he ran 6 yards untouched into the end zone in the third quarter. Jake Larson added a 31-yard field goal.
Charlie Fessler caught a career-high 11 passes for 147 yards for the Spiders (5-4, 4-1 Colonial Athletic Association), who outgained the Seawolves 470-288 in total yards and held them to 72 yards rushing.
Synceir Malone's interception of a Mancuso pass in the first quarter led to Nick Courtney's 26-yard field goal for a 3-0 Stony Brook lead. Gavin Heslop blocked a fourth-quarter field-goal attempt, but the Seawolves were unable to cash in and were stopped on downs on their final drive.
Former Nebraska QB Luke McCaffrey pivots, leaves Louisville for Rice
Quarterback Luke McCaffrey is transferring to Rice for the 2021 season. McCaffrey began his college career at Nebraska before spending several months this offseason with Louisville.
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Spencer Rattler was one of the notable star 2019 recruits who broke out as a redshirt freshman in 2020. Who fits the bill in 2021?
College football's 50 greatest wide receivers of the past 50 years
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Georgia coach Kirby Smart: 12-team playoff would be college football's 'greatest change'
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Ex-Colorado QB Sam Noyer heads to Oregon State for final season
Former Colorado quarterback Sam Noyer will use his final year of eligibility at Oregon State.
College Football Playoff expansion: 12-team historic simulations, storylines and more
Bill Connelly crunches the numbers using SP+ to figure out the most likely scenarios for how a 12-team playoff would have played out since 2014.