What a difference a year has made for J.P. Estrella. The towering redshirt sophomore for the University of Tennessee men’s basketball team has played his way into the starting lineup, and his Volunteers have earned a trip to the Sweet 16 in the NCAA basketball tournament. As the 6-foot-11 forward from Scarborough and his team get ready for a difficult matchup against No. 2 seed Iowa State on Friday night in Chicago, Estrella has already taken a tough road to get back on the court. The 21-year-old Maine native suffered a season-ending foot injury a year ago and needed surgery. But he has stormed back this season, averaging more than 10 points and five rebounds per game. And Estrella’s family...