HOUSTON -- Isaiah Green threw for 269 yards and a score and Marshall rolled to 20-7 victory over winless Rice on Saturday.
Rohrwasser had his first field goal attempt blocked but made good on his second from 22 yards. Rice scored its only touchdown of the game and Knox answered for the Herd with a touchdown run to make it 10-7 with 9:33 left in the half. Green threw a 19-yard strike to Talik Keaton to give Marshall a 17-7 advantage at halftime.
Rohrwasser booted a 49-yard field goal late in the third quarter to cap the scoring as Marshall held the Rice offense to just 52 yards for the rest of the game.
JoVoni Johnsonhad 97 yards and a touchdown passing for the Owls (0-9, 0-5).
Orgeron and Swinney talk national championship
LSU head coach Ed Orgeron and Clemson head coach Dabo Swinney sit down with Chris Fowler to discuss their quarterbacks and excitement for the championship.
College football championship -- LSU-Clemson analysis, prediction and more
The College Football Playoff title game could be a toss-up, with explosive offenses and talented defense on both sides. So how can each team win it all?
Towson's Tom Flacco leads National team to victory in Tropical Bowl
Tom Flacco, brother of Broncos quarterback Joe Flacco, helped the National team beat the American team 35-7 in the Tropical Bowl on Sunday
FIU's Jose Borregales, who helped beat Miami, joins Hurricanes as grad transfer
Former FIU kicker Jose Borregales -- who played a huge role in the Panthers' stunning upset win over the Hurricanes in November -- announced in a tweet Sunday that he's enrolling at Miami as a graduate transfer.
Dabo Swinney not bothered by Clemson practice issue
Dabo Swinney didn't have a problem with Clemson having practice in the hotel ballroom because of bad weather.
Coach O: I couldn't tell you who Rocky and Drago are
LSU head coach Ed Orgeron humorously responds to Dabo Swinney's comment that playing LSU in Louisiana is like Rocky going to fight Ivan Drago in Russia.