The excitement of the opening day of the NCAA Tournament certainly didn't disappoint as there were two big upsets knocking Arizona and Miami out of the tournament, undoubtedly shaking up brackets of fans everywhere. 

The major upset of the day came from No. 13 seed Buffalo who delivered a blowout 89-68 win over No. 4 seed Arizona. The win marks the first time Buffalo won a game in the tournament, but the loss for Arizona also means that the Pac-12 is officially done in March Madness. 

The Bulls figured out how to stop Deandre Ayton, who many project as the No. 1 pick in the upcoming NBA Draft, holding the 7-1 freshman to 14 points on 6-of-13 shooting. Senior guard Wes Clark led Buffalo with a game-high 25 points while Jeremy Harris had a strong game with 23 and CJ Massinburg scored 19.

In what would have been a marquee matchup in the second round between Kentucky and Arizona, Buffalo will now be the team facing the Wildcats Saturday, who beat No. 12 seed Davidson 78-73.

No. 11 Loyola (Ill.) pulled off the first upset of the 2018 NCAA Tournament with a stunning win over No. 6 Miami while Gonzaga just barely stayed alive against UNC Greensboro. 

The Ramblers, in the NCAA Tournament for the first time since 1985, got a last-second 3-pointer from Donte Ingram to seal a 64-62 win. The refs put 0.3 seconds back on the clock, but Miami could not get anything done on the late heave. 

Clayton Custer led Loyola with 14 points while Ingram added 13. The nature of Loyola's win was shocking but the upset itself has become common in March Madness. Over the past five NCAA Tournaments, 11 seeds are 11-6 against 6 seeds.

Stud of the Day

N.C. State senior guard Allerik Freeman led the Wolfpack with 36 points on 12-of-19 shooting from the field. He was also 6 of 8 from 3-point range and 6 of 7 from the free-throw line, although it wasn't enough to give N.C. State the win as the team fell 94-83 against Seton Hall.

Kentucky defeated Davidson 78-73 to keep the Wildcats in the tournament, and it was freshman forward Kevin Knox who came up big. He scored 25 points and made 9 of 11 from the free throw line.

Dud of the Day

Arizona's senior guard Parker Jackson-Cartwright finished with seven points as the Wildcats fell to Buffalo, but he was 3 of 9 from field goal range and only 1 of 4 from the 3-point line. He only had three rebounds and didn't have any assists. 

Miami was knocked out of the tournament early and junior guard Anthony Lawrence II wasn't there to help out the Hurricanes. He did have three rebounds and one assist, but he only contributed four points to the 64-62 loss. 

Highlight

Texas Tech's Zhaire Smith put up the most impressive dunk of the day with a 360 alley-oop, helping the Red Raiders to a 70-60 win over Stephen F. Austin.

What's Next

Texas A&M (20-12) vs. Providence (20-12) 12:15 p.m. ET — The Aggies, sitting No. 7, will take on No. 10 Providence. While neither team is projected to win the tournament, Providence could provide a slight upset as they enter the matchup with a better record. Although, the Aggies are returning to the tournament for the second time in three years after advancing to the Sweet 16 in 2015-16. This game marks the first-ever meeting between Texas A&M and Providence.