Suh wasn't in the Detroit locker room when it was open to media Monday, but Schwartz responded to the accusation.
"What shows on the coaches' film is we make an interception with six minutes to go and we're up two scores and looks like it's a really great chance to be able to win that game. Guys were looking to make blocks, guys made blocks," Schwartz said. "It's off after that. There were no penalties on that play. Our guys were rightfully excited. We had a very good pass rush on that. The quarterback, like we had talked about all week, had to elevate his throw.
"We're excited about it. I don't think anybody's reveling in anybody being injured or anything like that."
Colts players had the day off Monday. Interim coach Bruce Arians said he didn't see the celebration by the Lions on film.
"It was a block on an interception. I don't think it was the block as much as it was the celebration for knocking him out," Arians said. "It's not on film. But I know that's why Mike took issue. A bunch of the guys on the sideline saw it and I don't really have anything to say about it."
That's what this Detroit season has turned into: a weekly rehashing of the team's troubles. The Lions led each of the last three games with 2:00 remaining in regulation, but lost them all.
What looked last year like one of the league's most promising young franchises is now stuck in a rut. And the road doesn't become any easier next weekend when the Lions play at Green Bay.
"I wouldn't say regressed. We've gone off track for sure," Schwartz said. "We've made those plays at times this year. We haven't done it enough."
AP Sports Writer Michael Marot contributed to this story.
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