McCollum missed 10 games down the stretch with a left knee strain and had only played in two games since returning.
Kanter was stellar in the series opener - the offensive-minded big man went for a double-double of 20 points and 18 rebounds, with seven of those boards coming off the offensive glass.
Meanwhile, the Portland Trailblazers got swept by the Thunder in the regular season, but you wouldn't know that from the way they played as they stormed out of the gates with 39 points in the first quarter, started by Damian Lillard who drained a deep 3-pointer from 30-feet just seconds after tipoff. Adams led the way with 13 points in the first half, Westbrook added 10-8-7, and the Thunder were within striking distance despite George's 9 points on 3-of-14 from the field.
Hear from Lillard and Moe Harkless in the videos on the Blazers' mindset heading into the playoff matchup with the Thunder.
Russell Westbrook had 24 points, 10 assists and 10 rebounds for his ninth career postseason triple-double. Lillard answered with a long 3-pointer to keep the Blazers ahead and Al-Farouq Aminu made free throws to extend Portland's lead to 98-92.
George says he's going to do everything he can to get as close to 100 percent as he can and hopes to play.
These two teams were separated by four games in the conference standings while the Thunder managed to take all four of their meetings over the course of the regular season. For the game, he made four of 15 3-point attempts.
Liverpool's win over Chelsea closed the 'slipping book' - Klopp
Mane scored from an excellent header after Jordan Henderson put it on a T, while Salah wrapped things up for the Reds with an unbelievable long range strike. "It's all bulls**t.
OKC scored six straight points, the last two on a left-handed layup by Westbrook to cut it to 91-87 with 3:51 left.
Kanter, who began the season on the Knicks, said he appreciated the opportunity to compete in a playoff game. The Blazers went into the fourth quarter with a 76-69 lead.
The Blazers increased the margin to 47-28 early in the second quarter.
Looking at the box score, it seems like the Blazers did an excellent job of defending the long-range shot in Game 1.
Portland takes a 1-0 lead in the first round series with the victory.
"He gave us a lot of toughness inside", Stotts said. "It feels wonderful and I feel very blessed and I really appreciate it".
The Oklahoma City Thunder look to level the series against the Portland Trailblazers at the Moda Center in Game 2 on Tuesday.
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