No. 2 Arizona at Colorado

TIPOFF: Saturday, 6 p.m., CU Events Center.

BROADCAST: TV — ESPN2; Radio — 850 AM and 94.1 FM.

RECORDS: Arizona — 25-2, 15-1 Pac-12 Conference; Colorado — 18-10, 10-8.

COACHES: Arizona — Tommy Lloyd, 1st season (25-2 at UA and overall). Colorado — Tad Boyle, 12th season (251-153, 307219 overall).

KEY PLAYERS: Arizona — G Bennedict Mathurin, So., 17.3 ppg, 5.7 rpg; F Azuolas Tubelis, So., 15.5 ppg, 6.5 rpg, C Christian Koloko, Jr., 12.0 ppg, 7.4 rpg, .613 field goal percentage; G Kerr Kriisa, So., 10.4 ppg, 5.0 apg; G Dalen Terry, So., 7.5 ppg, 4.1 apg. Colorado — F Jabari Walker, So., 14.4 ppg, 9.1 rpg; F Evan Battey, R-SR., 11.7 ppg, 4.5 rpg, .508 3-point percentage; G Keeshawn Barthelemy, R-SO., 10.9 ppg, 2.5 apg; F Tristan da Silva, So., 9.0 ppg, 3.5 rpg.

NOTES: Arizona will clinch at least a share of the Pac-12 regular season crown with a win. They will clinch the top spot outright with a win and a loss by No. 16 USC at Oregon on Saturday. … The Wildcats have lost their past four games at CU and are just 26 in Boulder since the Buffs joined the Pac-12. … The Buffs are 0-5 this season against ranked teams (Tennessee, USC, Arizona, UCLA twice). … Arizona topped CU 76-55 in Tucson on Jan. 13. The Buffs trailed by just four points at halftime but were outscored 44-27 after halftime. Arizona shot .509 overall, the highest mark by a CU foe this season. … CU freshman KJ Simpson, formerly a Wildcats signee, paced the Buffs in that game with 17 points. … The Wildcats began Friday leading the nation in assists per game (20.5) and ranked 11th nationally in assist-to-turnover rate (1.51). … UA’S Koloko ranks second in Pac-12 games in field goal percentage (.597) while Mathurin ranks second in scoring. … Battey needs five rebounds to tie CU Hall of Famer Donnie Boyce and former teammate Mckinley Wright IV for 20th all-time at CU. … The Buffs complete the regular season on March 5 at Utah (7:30 p.m., ESPNU).