It is official. the Arizona Wildcats are kings of the Pac-12 with Saturday night tournament win. With the conference essentially disbanded and down to two members, the Wildcats now claim the final tournament champion title after defeating the USC Trojans 4-3 in thrilling walk-off fashion. The matchup between the No. 4 seed and No. 1 seed in this year’s tourney was a low-scoring defensive battle affair. USC was first on the board after a double by Ryan Jackson gave them the 1-0 lead. The Trojans would extend that lead in the next inning, the top of the fourth, with a triple by Bryce Grudzielane…