Fatts Russell and Eric Ayala combined for 44 points after a close start with the Catamounts.
The Terps' starting shooting guard notched his milestone 1,000th point on a free throw in the first half and helped Maryland to a season-opening win.
The Terps gave fans plenty to be excited about as they dusted the Broncos.
The Terps bring back three leaders in Eric Ayala, Donta Scott and Hakim Hart, all set to have banner seasons.
Coach Mark Turgeon had an active offseason in the transfer portal and the results brought players ready to make an impact.
The Terps are one of five Big Ten teams that made the preseason rankings.
The Terps added nine new players to their squad, but the team said they are close on and off the court already.
After transferring to Maryland in April, Russell rejoins former high school teammate Donta Scott.
Manning fills the void left by DeAndre Haynes.
Russell averaged 14.7 points, 4.5 rebounds and 4.5 assists with Rhode Island this season.