Cooper Flagg returns from ankle injury, helps Mavericks to blowout win over Knicks at Madison Square Garden Cooper Flagg missed the last two games for the Mavericks after rolling his left ankle. Content Original Link: https://sports.yahoo.com/nba/article/cooper-flagg-returns-from-ankle-injury-helps-mavericks-to-blowout-win-over-knicks-at-madison-square-garden-003910165.html