In the fourth quarter of the 116-108 loss, Mitchell got his left foot stepped on by OKC's Corey Brewer and had to go to the locker room.
"I just stubbed my toe", Mitchell said.
"I was just limping, and they saw me limping and thought I needed to come out, "but I was just being a baby".
18:44Three Policemen Injured in Clashes With Protesters in Yerevan
On the same day, protesters led by Pashinyan seized the building of Armenia's Public Radio for around an hour. Several protests loosely organised around the slogan "No to Serzh", have been held since March.
The injury had initially forced Mitchell to exit the game before making his return soon thereafter. Head coach Quin Snyder didn't seem overly concerned as he said: "Everything that we know right now, he's fine".
The Thunder dealt with their own injury concern.
On Wednesday, the former Louisville standout was at it again before Utah's game against Portland.
George says this is the level at which he plans to hoop for the remainder of the playoffs. "I ain't never sit out playoff games".