By Tom Gott Arsenal received their third red card in just eight games when William Saliba was given his marching orders in Saturday’s 2-0 defeat to Bournemouth. The Frenchman was initially shown a yellow card when he dragged down Evanilson in the first half, only for VAR to upgrade the decision to a red, ruling Saliba had denied a clear goalscoring opportunity as the last man. Not only did Saliba’s dismissal harm Arsenal’s chances of a result, but it could also have a major impact on the Premier League title race as the 23-year-old prepares to serve a suspension. What suspension will William S…