PITTSBURGH — The man who fell from the top of a 21-foot-high wall onto the warning track at PNC Park during a game between the

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The Pirates have conducted an internal investigation into the incident, which included interviewing fans and analyzing credit card receipts by others in Markwood’s group.

Brian Warecki, the club’s senior vice president of communications, said the investigation concluded that Markwood did not buy any alcohol but did consume two beers over the course of the game.

Markwood attended the game with three other people, the club said. Credit card receipts indicated that one party in the group legally bought seven alcoholic beverages during the contest.

The team said it received conflicting accounts from fans who sat near Markwood in the section that sits above the Clemente Wall, which is named for Hall of Famer and franchise icon Roberto Clemente.

One fan told the team that Markwood appeared intoxicated. Others said he did not do anything of note until the moment he stood up to celebrate a hit by Pirates star Andrew McCutchen, at which point Markwood leapt out of his seat toward the 36-inch railing in front of him before flipping over the top.

Pittsburgh Public Safety, which includes Pittsburgh Police and EMS, has labeled the fall an accident.