First time dancers:

trips from 2006-08. No Western team has won it since Arizona beat Kentucky for the title 20 years ago.

After not getting picked for the first 77 NCAA Tournaments, Northwestern had to wait until the final region was revealed on the selection show to get its first bid.

Coach Chris Collins pumped his fists as his players celebrated and a roar came from the crowd of about 2,000 people at WelshRyan Arena.

“When I came here four years ago, it was a belief in a day like today,” Collins said.

Gonzaga got rewarded with its second No. 1 seed and will start in the same place the Bulldogs did the other time they got it in 2013.

Gonzaga now hopes not to have

Bad karma:

a repeat and end its tournament on the opening weekend. The Bulldogs lost that year in the round of 32 by eventual Final Four team Wichita State. Gonzaga has never been to the Final Four.

Vanderbilt made a bit of history with its bid. The Commodores have the most losses for an at-large team and got in with some margin for error as a ninth seed. Three wins over Florida and a nonconference schedule that included six losses to eventual tournament teams proved to be enough for the Commodores.

An all-Florida first-round matchup highlights the rest of the region with third-seeded Florida State (25-8) taking on No. 14 seed Florida Gulf Coast (26-7) in Orlando, Fla. The winner of that game will take on the winner of the matchup between sixth-seeded Maryland (24-8) and No. 11 Xavier (21-13).

The other matchups are No. 7 Saint Mary’s (28-4) against 10th-seeded Virginia Commonwealth (26-8), with the winner facing the winner of Arizona’s first-round game. The Gaels lost three times to Gonzaga, including in the WCC title game.

In Buffalo, N.Y., No. 4 West Virginia (26-8) takes on No. 13 Bucknell (26-8) and No. 5 Notre Dame (25-9) facing No. 12 Princeton (236), with the winners playing in the second round.

Biggest loser: Rest of the matchups: