Xaverian standout athlete Dave Chiavegato announced on Monday evening that he was committing to UMass. Chiavegato cited UMass Joe Harasymiak offering him in person and developing a relationship with him as the reasons he committed to the Minutemen. Here is our interview with Chiavegato. He talks about what went into his decision, his future with UMass and his final season at Xaverian.  NEFJ: Why did you decide to commit to…