The Hawkeyes closed the first half on a 35-7 run to put the Terps away early.
Cowan and Smith named all-Big Ten first team, Morsell earns honorable mention.
"I don’t think he gets enough credit for how good he is defensively."
Cowan finished with a career-high 31 points, adding six rebounds and six assists.
Hawkeyes center Luka Garza — the Big Ten's leading scorer — picked up two early fouls, limiting his impact.
The Terps lost to the Hawkeyes earlier this season in Iowa City.
The Terps will try to stay undefeated at home.
All three of the Terps' losses this season have been in true road games.
The Terps will look to extend their win-streak against the Hawkeyes.
Maryland will look to win its first true-road game of the season.