‘“I’m a UFA at the end of the year, whether I stay here or I go, I’ve got to prove myself,” Simmonds said following Tuesday’s practice, his first with the Sabres. “So playing these meaningful games over the last 20 and trying to push this team into the playoffs, I mean, obviously, I know I’m not going to be the savior or anything here, but just another piece to help the boys out. That’s something I relish.”’