Updated 2018 NCAA Tournament bracket after First Round Thursday

BOISE, ID - MARCH 15: The Buffalo Bulls bench celebrates a three point basket in the second half against the Arizona Wildcats during the first round of the 2018 NCAA Men's Basketball Tournament at Taco Bell Arena on March 15, 2018 in Boise, Idaho. (Photo by Ezra Shaw/Getty Images)
BOISE, ID - MARCH 15: The Buffalo Bulls bench celebrates a three point basket in the second half against the Arizona Wildcats during the first round of the 2018 NCAA Men's Basketball Tournament at Taco Bell Arena on March 15, 2018 in Boise, Idaho. (Photo by Ezra Shaw/Getty Images) /
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The first day of First Round action has come to an end. Take a look at which teams are still dancing in our updated NCAA Tournament bracket.

Does your bracket need a little resuscitation after the first day of March Madness? From Loyola’s big win over Miami to Buffalo’s barnburner against No. 4 Arizona, the 2018 NCAA Tournament has already yielded some amazing games and this was only the first day.

For a lot of people, the brackets are busted already and now it’s time to sit back and enjoy the action without the pressure of having to defend your bracket in the office pool. For a lucky few, the bracket is still going strong after the First Round. If you had No. 4 Arizona going deep, you’re out.

After No. 13 Buffalo’s big blowout win over No. 4 Arizona all eyes will be on their game on Saturday against No. 5 Kentucky. Likewise, fans will also watch how No. 11 Loyola Chicago fares against No. 3 Tennessee. No. 11 St. Bonaventure, which held on in the First Four to face No. 6 Florida, collapsed in the First Round with a 77-62 loss.

Day 1 Game Summary:

South Region

No. 5 Kentucky 78, No. 12 Davidson 73

No. 4 Arizona 68, No. 13 Buffalo 89

No. 6 Miami (FL) 62, No. 11 Loyola Chicago 64

No. 3 Tennessee 73, No. 14 Wright State 47

West Region

No. 5 Ohio State 81, No 12 South Dakota State 73

No. 4 Gonzaga 68, No. 13 UNCG 64

No. 6 Houston 67, No. 11 San Diego State 65

No. 3 Michigan 61, No. 14 Montana 47

East Region

No. 1 Villanova 87, No 16 Radford 61

No. 8 Virginia Tech 83, No. 9 Alabama 86

No. 6 Florida 77, No. 11 St. Bonaventure 62

No. 3 Texas Tech 70, No. 14 Stephen F. Austin 60

Midwest Region

No. 1 Kansas 76, No. 16 Penn 60

No. 8 Seton Hall 94, No. 9 NC State

No. 7 Rhode Island 83, No. 10 Oklahoma 78

No. 2 Duke 89, No. 15 Iona 67

Next: 28 Most Memorable Buzzer Beaters in March Madness History

First Round action continues Friday, March 16, followed by Day 1 of Second Round action on Saturday, March 17. Be sure to check back with FanSided for all of your 2018 NCAA Tournament action.