Two No. 1 seeds lose in Sweet 16 as Gonzaga and Arizona are stunned

By Ben Morse, CNN

Updated 1040 GMT (1840 HKT) March 25, 2022

Gonzaga center Chet Holmgren (left) and Arizona guard Dalen Terry react during their team's defeats on Thursday.

(CNN)There was a big day of March Madness action on Thursday night as two No. 1 seeds were dumped out of the tournament.

No. 1 overall seed and last year's runner-up Gonzaga was upset by No. 4 seed Arkansas 74-68, before another No. 1 seed, Arizona, lost to No. 5 seed Houston 72-60 shortly after. With defending champion and the other top seed Baylor already knocked out, the only No. 1 seed left is Kansas.Arkansas' progression to the Elite Eight of the men's NCAA tournament is their second in a row, but just their third since 1995. Guard Hunter Sallis, center Chet Holmgren and forward Drew Timme react after Gonzaga was defeated by Arkansas.After shocking Gonzaga and advancing to the next round where they'll face Duke, Razorbacks' head coach Eric Musselman told CBS: «Thank you to everybody that said we had no chance.»Read More«We grinded in our prep. I give these guys a ton of credit. We took a four-hour flight after traveling from Buffalo to Fayetteville for 24 hours to here, and then we went straight to an hour and 45-minute practice,» Musselman said. «Can't compliment these guys and the entire team enough for the way that they buy in to game preparation. It's probably the coolest thing I've ever been a part of that they just kind of do what we ask.»For Houston, they led wire-to-wire against Arizona, scoring the first basket and never trailing against the Wildcats. Jamal Shead led the way for the Cougars with 21 points, with Kyler Edwards hitting five three-pointers as he added 19 points.Visit CNN.com/sport for more news, features, and videosArizona