The Blue Devils are ACC Tournament champions. Even without freshman phenom Cooper Flagg, who did not return for the remainder of the tournament after injuring his ankle in a quarterfinal win over Georgia Tech, Duke defeated Louisville.In Flagg's absence, another freshman stepped up. Duke freshman guard Kon Knueppel was named the ACC Tournament MVP following the Blue Devils' 73-62 defeat of Louisville. Over the course of the tournament, Knueppel averaged 21.0 points per game, along with 5.7 rebounds and 4.7 assists. He shot 48.6% from the field.Duke men's basketball took to Instagram on Sunday to share the exciting news about Knueppel's MVP accolade. View this post on Instagram Instagram PostDuke fans flodded the comments with their reactions. Many shared that the freshman is their favorite Blue Devils player."My fav player on the squad just bc his role change every gameeeee."A fans calls Knueppel their favorite Duke player"Love this dude! Probably one of my favorites just because he doesn't care about stats he wants to win!! Get some rest K3 you deserve it. 2 down 1 to go!!!😈🕺🏻"An IG user shows love toward Knueppel"Been my fav from the start🙌🙌"A comment says Knueppel has been their favorite Blue Devils player since the start of the seasonOthers said Knueppel's MVP accolade was earned or well-deserved."Well deserved💪🔥👏👏""Kon cooked the whole tournament! Congratulations @kon2knueppel!!! You certainly earned MVP! Love your fight. Onward!""Well deserved! Congratulations Kon!"Duke fans says Knueppel's MVP award was well deservedSome let emojis speak for them."🔥🔥🔥🔥"An IG user uses fire emojis as a reaction to Knueppel's MVP news"👑👑👑"Another comment uses emojis"👏👏👏👏👏"A fan sends Knueppel virtual applauseKon Knueppel's ACC Tournament performance for DukeKnueppel's MVP title was as well-deserved as fans say. He stepped up in the absence of fellow freshman Cooper Flagg to provide Duke with guidance on the way to a tournament title.Flagg suffered his ankle injury in the Blue Devils' first game of the tournament against Georgia Tech. Knueppel had a strong performance to help his squad past the quarterfinals, putting up a season-high 28 points.NCAA Basketball: ACC Conference Tournament Championship - Duke vs Louisville - Source: ImagnIn the rivalry win over UNC in the semifinals, Knueppel put up 17 points and shot an impressive 60% from beyond the arch. When the Blue Devils defeated the Cardinals, the freshman guard scored 18 points on his way to an ACC Tournament MVP award.Duke proved it can be dominant even without Flagg, but Knueppel says the work isn't yet over."Two down, one to go," Knueppel said after the team's ACC Tournament title win.Once Cooper Flagg comes back, Duke is likely to become a tougher proposition for opponents to deal with.