The injury to Trier occurred with three minutes left in regulation, and he proceeded to play all four overtime sessions through the ailment.
Trier played end of regulation and the four overtimes with the broken hand. Injured it guarding USC's Julian Jacobs with 3 minutes left.— Jeff Goodman (@GoodmanESPN) January 10, 2016
Trier finished with 25 points in 53 minutes on 10-of-19 shooting, adding six rebounds and four assists.
The No. 18 recruit in the country according to ESPN, Trier has averaged a team-high 14.8 points per game this season for the No. 7 Wildcats.
Arizona will play Washington next on Jan. 14 at 9 p.m. ET.
- Kenny Ducey