NRL Betting Tip for Sunday 1st August 2021 July 31, 2021 Ray Walker Storm VS Panthers Storm/Panthers SGM - Stake 1 Unit, Minimum Odds 8.5, Best Book Topsport Check out all my NRL Tips: NRL Round 20 Same Game Multis. NRL Round 20 Best Bets. Learn more and get all of Caveman's Tips Here.