Playing without their second-leading scorer and best defensive player, the Sooners needed two overtime periods to beat Colorado, 95-87.
Detroit beat Colorado by 7-0 in Game 7 of the conference finals last year and the Avalanche lost this one on another embarrassing moment.
Grace, a 25-year-old right-hander, gave up only one run in eight innings in beating Colorado.
When the Dodgers rallied Monday night to beat Colorado, 8-7, it was their major-league-leading 50th comeback victory this season.
After beating Colorado, Coach Osborne told his team that the negative energy threatened to derail a perfect season.
Oklahoma beat Colorado, 88-78, with a second-half comeback in the second game.
"Early in the season, he was beating Colorado, 8-0, and I tried to take him out," Brenly says.
The top-seeded Tigers, who beat Colorado twice this season, raised their overall record to 22-9.
The Huskies also beat Colorado in 1985.
In the previous two weeks, they beat Colorado by 24-22 on the road and upset Oregon State by 44-24 at home.
