By Frankie Taddeo The Panthers have won five games in each of the last three seasons, and their over/under wins total at SI Sportsbook is 5.5 wins with the odds heavily juiced to the over. The pressure is on head coach Matt Rhule to turn things around in Charlotte after posting consecutive five-win seasons since he succeeded Ron Rivera. The Panthers have not made the playoffs since 2017, owning a disappointing 15-34 (.319) record over the last three seasons. Carolina ended last season on a seven-game losing streak and hopes star running back Christian McCaffrey can stay healthy. The former Sta…