UFC Freedom 250 marks the culmination of a decades-long relationship between a president and a sport which harnessed bravado to reach the White House.

The UFC event on the White House’s South Lawn is the president’s birthday gift to himself. Sources expect it to be a lobbying extravaganza.

The UFC cage fight celebrates America’s 250th (or maybe Trump). Here’s a guide to the fight card, lawsuit, and drama over “The Claw.”