When is the 2023 Diamond League Final: How to watch, TV, live stream info for the Prefontaine Classic today – NBC Sports

North Carolina native John Isner once rose to the No. 8 spot in the tennis world rankings. Thursday marked his final match as a professional tennis player.  Isner suffered a loss against fellow American Michael Mmoh in the second round of the U.S. Open at the Billie Jean King National Tennis Center in Queens, New […]