Capacity at U.S. Bank Stadium is down to 66,654 after someone removed a seat following the Eagles’ Super Bowl victory on Sunday.

The Minnesota Sports Facilities Authority on Monday said it’s investigating the theft after evidence was posted on social media.

A photo posted on Reddit shows one missing seat and two others without seatbacks.

Barstool Sports tweeted what appears to be an Eagles fan carrying a stadium seat under a coat and receiving congratulations from coat check workers.

This Eagles fan getting his money’s worth by ripping his chair out of the stadium in Minnesotta last night pic.twitter.com/pZsaOxmGA2 — Barstool Sports (@barstoolsports) February 5, 2018

“We are aware of the video of a fan leaving the stadium with a stadium seat and our security team is investigating the incident. Per our standard operating procedure, damaged or missing seats will be repaired or replaced immediately,” the MSFA said by email.

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St. Paul man threatened another man with a sword, charges say The coat check was not in the U.S. Bank Stadium perimeter, the MSFA said.

The seat-swiping phenomenon is not new to Minneapolis. Fans ripped out a number of seats after the final Vikings game at the Metrodome in 2013. The MSFA later organized the removal and sale of thousands of dome seats for $40 to $60 apiece.

Minneapolis police said they made no major arrests related to the Super Bowl, just the “usual drunken debauchery.”

The streets of Philadelphia did not fare as well.