CLEARWATER, Fla. — Since the day that Bryce Harper agreed to play for him, John Middleton’s intention has been that he never play for anyone else. Not ever. Period. Full stop. So, it doesn’t concern the Phillies owner that Harper, who arrived in the rain Sunday to begin Year 6 of a 13-year contract that once stood as the largest in overall value ($330 million) among North American pro athletes, wants to revise that deal, even though he lacks much of any leverage over the team. “I’m not worried about that,” Middleton told The Inquirer. “I’m more worried that Bryce is worried about it. Because I…
