After cruising through the first round of the NCAA Tournament, a pair of former Pac-12 rivals are set for a reunion Sunday night when No. 4 Arizona faces fifth-seeded Oregon in a Round of 32 matchup in Seattle.Despite the teams playing in the bracket’s East Region, this meeting has a decidedly West Coast flavor. Oregon fans had an easy trip up the I-5 to their team’s first-round venue, where they watched the Ducks (25-9) crush Liberty 81-52 on Friday night.”I feel like our fans are a big part of what we do,” Oregon guard Keeshawn Barthelemy said. “… Just to play in Seattle, get that opportunity, it’s an opportunity to play in Seattle for March Madness, and our fans are pretty excited about it.”You can definitely feel the energy from the players and the families that are here.”The Ducks made seven of their first nine shots to break out to an 18-2 lead, and the margin was never smaller than 20 in the second half. They shot 54.4 percent from the floor, led by Jackson Shelstad (17 points), Nate Bittle (14 points, 10 rebounds) and Barthelemy (10 points).It was a similar bloodbath for Arizona (23-12) once it pulled away from Akron in the first half. The lead grew to 34 late before the Wildcats wrapped up a 93-65 win featuring 56.5 percent shooting from the field and 48 percent (12-for-25) from 3-point range.Arizona coach Tommy Lloyd is a Washington native who spent 20 years as a top assistant coach at Gonzaga.”Arizona basketball fans travel, and I’m sure there are going to be a lot of Oregon fans there, but there might be some fans that wear purple and gold (Washington) that might decide to root for Arizona,” Lloyd said. “I’m just guessing.”Now the Wildcats will try to qualify for their third Sweet 16 in four years under Lloyd.Arizona led the Big 12 this season in both points (82.1) and rebounds (40.0) per game, and Oregon (76.4 and 35.8, respectively) — now in the Big Ten — will try to keep up.”We have to put a body on ‘em, we’re going to have to be physical and we’re going to have to do a good job, all five guys staying in the fight and trying to get the ball,” Oregon coach Dana Altman said.