Tony Allen throws shirt on court during Derek Fisher 3, results in Thunder 4-point play (Video)

Well, here's something you don't see every day.

Oklahoma City Thunder guard Derek Fisher attempted a 3-pointer with his team trailing by 11 points and just over five minutes remaining in the third quarter of Game 5 of his team's Western Conference semifinals series with the Memphis Grizzlies. As Fisher let his corner 3 fly, Grizzlies guard Tony Allen — who was up out of his seat on the Memphis bench and standing before the ball ever moved to Fisher — raised his right arm.

Maybe he was just reacting to the pass hitting the open man; maybe he was actively trying to distract Fisher to decrease the likelihood that the 38-year-old veteran would knock down the shot. Either way, Allen probably didn't intend what happened next:

Yep, that light blue projectile was Allen's warm-up shirt. He was holding it in his hand, and he inadvertently flung it out onto the court as Fisher was shooting.

Fisher didn't make the shot, but immediately appealed to the referees for some sort of satisfaction for the odd and unexpected defensive deterrent. Oklahoma City promptly received not only three points in exchange for the "interference" on the field goal attempt, but also a technical foul shot, which Kevin Durant knocked down, capping one of the oddest four-point plays you're likely to see in an NBA playoff game.

The T-shirt toss, the 3-ball and the technical freebie helped propel a 15-4 run that pulled the Thunder back from the brink of a blowout and within just two points of the Grizzlies at 64-62 heading into a fourth quarter that will decide whether Oklahoma City heads home for a long summer or extends its best-of-seven matchup with the Grizzlies to a Game 6 back in Memphis on Friday.

Video via SI.com's Ben Golliver.