Willard said the forward lost about 25 pounds in order to play expanded minutes at a potentially higher tempo.
Coach Willard made sure players such as Donta Scott, Hakim Hart and Julian Reese could have roles in the new-look squad.
Carey averaged 13.5 points per game for the Hoyas last season.
Amid coaching and roster changes, the Terps struggled to adapt and deliver.
Ayala and Russell combined for 37 points in their final outing as Terps.
With the loss, the Terps finish the season with a losing record for the first time since 1993.
The majority of the current Terps — including interim head coach Danny Manning — had never competed in the Big Ten before this season.
Despite Russell and Ayala being honorable mentions, no Terp was named to any of the all-Big Ten teams for the second straight season.
The Terps went down 18-1 early and never managed to take the lead throughout the game.
After a slow first half, the Terps came back with a vengeance but couldn't finish the regular season with a win.