Know in Minutes on Instagram: "A, grown man sparked outrage after he was caught on camera swiping Polish tennis star Kamil Majchrzak’s hat from an eager young fan at the US Open. The sophomoric scene unfolded Thursday afternoon as Majchrzak greeted fans and signed autographs courtside following his epic five-set victory over No. 9 seed Karen Khachanov, according to footage from the live broadcast. #usopen #khachanov #reels #tennis"