Richardson's 19 points, Oregon's defense break Utah 78-72

Utah forward Timmy Allen (20) dives in front of Oregon forward Louis King (2) to grab the ball during the second half of an NCAA college basketball game Thursday, Jan. 31, 2019, in Salt Lake City. Oregon won 78-72. (AP Photo/Chris Nicoll)

Utah guard Sedrick Barefield (2) jumps past Oregon guard Ehab Amin (4) to shoot the ball during the second half of an NCAA college basketball game Thursday, Jan. 31, 2019, in Salt Lake City. Oregon won 78-72. (AP Photo/Chris Nicoll)

Utah center Jayce Johnson (34) is fouled by Oregon forward Louis King (2) while shooting the ball during the first half of an NCAA college basketball game Thursday, Jan. 31, 2019, in Salt Lake City. (AP Photo/Chris Nicoll)

Oregon guard Payton Pritchard (3) shoots over Utah forward Novak Topalovic (13) during the first half of an NCAA college basketball game Thursday, Jan. 31, 2019, in Salt Lake City. (AP Photo/Chris Nicoll)

Oregon guard Will Richardson (0) dribbles the ball past Utah guard Sedrick Barefield (2) during the first half of an NCAA college basketball game Thursday, Jan. 31, 2019, in Salt Lake City. (AP Photo/Chris Nicoll)

Utah center Jayce Johnson (34) blocks the shot of Oregon forward Kenny Wooten (14) during the first half of an NCAA college basketball game Thursday, Jan. 31, 2019, in Salt Lake City. (AP Photo/Chris Nicoll)

Utah coach Larry Krystkowiak calls a play against Oregon from the sidelines during the first half of an NCAA college basketball game, Thursday, Jan. 31, 2019, in Salt Lake City. (AP Photo/Chris Nicoll)

Oregon guard Will Richardson (0) is fouled by Utah guard Sedrick Barefield (2) during the first half of an NCAA college basketball game Thursday, Jan. 31, 2019, in Salt Lake City. (AP Photo/Chris Nicoll)

Oregon forward Kenny Wooten (14) jumps past Utah center Jayce Johnson (34) and shoots the ball during the first half of an NCAA college basketball game Thursday, Jan. 31, 2019, in Salt Lake City. (AP Photo/Chris Nicoll)

Oregon guard Will Richardson (0) is fouled by Utah forward Both Gach (11) while bringing the ball up during the first half of an NCAA college basketball game Thursday, Jan. 31, 2019, in Salt Lake City. (AP Photo/Chris Nicoll)

Oregon head coach Dana Altman yells at his players during the first half of an NCAA college basketball game against Utah, Thursday, Jan. 31, 2019, in Salt Lake City. (AP Photo/Chris Nicoll)