Jonathon Simmons explains why he left the Spurs

“I just couldn’t play at the highest level that I wanted to there.” When the Spurs play their first regular season game against the surprisingly upstart Orlando Magic (3-1) tonight, they will come face-to-face with an old friend: Jonathon Simmons. The former Spurs swingman signed with the Magic this summer for a respectable 3-year, $20 mil deal that left many …