TMZ is reporting "Pittsburgh Steelers QB Dwayne Haskins suffered "substantial" injuries -- including a knocked-out tooth -- after his wife allegedly hit him during an altercation in Las Vegas ... this according to cops.
It's all spelled out in a police report, obtained by KTNV, in which cops say they were called to the Cosmopolitan on July 3 to investigate claims that Kalabrya Gondrezick-Haskins had attacked the NFL player in their hotel room. Here are more breaking details.