PHILADELPHIA — Victor Wembanyama is the future of the NBA, but Joel Embiid is the present. On Monday, the 76ers center showed Wembanyama and the San Antonio Spurs why he’s arguably the face of the league. Embiid finished with a franchise-record 70 points to along with 18 rebounds and five assists to lead the Sixers to a 133-123 victory at the Wells Fargo Center. He scored 24 points in the first quarter and 25 in the third. During that time, the sellout crowd chanted, “MVP!… MVP!… MVP!” whenever he went to the foul line and at the conclusion of the quarter. Embiid accounted for 71.4% of his…