Former Arkansas Razorbacks guard Isaiah Joe signed a new contract extension this week to stay with the Oklahoma City Thunder, according to Shams Charania. Joe inked his new deal for four years, $48 million, which will keep him in OKC through the end of the 2027-2028 season. The sharp-shooting guard started just one game for the Thunder this season, but played in a career-high 78 games. He played 18.5 minutes per game, scoring 8.2 points per game. Joe, despite scoring a point-per-game less than he did last year for Oklahoma City, he hit career-highs in shooting percentage, both from the field a…