Arkansas Razorbacks head coach Eric Musselman (without shirt) celebrates with Razorbacks fans after defeating the Kansas Jayhawks at Wells Fargo Arena. Reese Strickland-USA TODAY Sports

Eric Musselman went full J.R. Smith after Arkansas punched their ticket to the Sweet 16 on Saturday.

The No. 8 seed Razorbacks scored a massive upset in the Round of 32, taking down the No. 1 seed Kansas Jayhawks (last year’s NCAA Tournament champions) in a 72-71 thriller. 

Arkansas got seven points in the final minute from junior transfer Ricky Council IV (including five clutch free throws) and held on for the big victory.

After the final buzzer, Musselman, the Arkansas head coach, celebrated with his team’s fans by jumping up on the scorer’s table and taking off his shirt like a scene from WWE.

The 58-year-old Musselman did put his shirt on again though for his postgame interview on CBS with Allie LaForce.

Arkansas is now in the Sweet 16 for the third consecutive year. Though they were only 20-13 in the regular season (ninth in their conference) and failed to get past the quarterfinal of the SEC Tournament, the Razorbacks are certainly peaking at the right time.

As for Musselman himself, we already knew that he had plenty of swagger. But Saturday’s upset victory allowed him to transform into (dare we say it) … Eric Muscleman.

More must-reads:

TODAY'S BEST
Pacers' Pascal Siakam leads team to Game 6 win vs. Knicks
Watch: Matt Duchene's 2OT winner sends Stars to conference final
Scottie Scheffler shoots improbable 66 after warming up for PGA Championship in a jail cell
Report: Tua Tagovailoa away from Dolphins amid contract chatter
Nuggets star has worrying comment about latest injury
Paul Skenes makes incredible Wrigley Field history in second-career MLB start
Giants rookie CF to undergo season-ending labrum surgery
Yankees' Juan Soto reacts to Hal Steinbrenner contract talk
Late goal sends Panthers to Eastern Conference Finals
Ex-teammate of Shohei Ohtani placed bets with same illegal bookmaker as interpreter 
Former Rams first-round pick retires from NFL after 11 seasons
Insider provides major injury update on Celtics' Kristaps Porzingis
Watch: Bruins strike first in Game 6 with incredible backhand goal
Dodgers make series of moves involving notable players
Hurricanes not expected to re-sign defenseman, center
Maple Leafs tab former Stanley Cup winner as new head coach
NFL insider expands on competition between Steelers QBs Russell Wilson, Justin Fields
NFL sets outrageous prices for Eagles-Packers Brazil game
Broncos 'very unlikely' to bring back former NFL interceptions leader
Greg Olsen offers broadcasting advice to Tom Brady