PEORIA, Ariz. — Gavin Sheets was little more than an intriguing player at this point in Padres camp a year ago. Now, he is the incumbent. As of now, though, he is little more than that. The Padres plan on the big left-handed hitter playing first base and serving as designated hitter. They also brought in Miguel Andujar and Nick Castellanos (and even Ty France and Jose Miranda) to work there, too. “I think it’s what happens when you play for teams with World Series aspirations and good teams,” Sheets said. “There’s always gonna be competition. You never get complacent in the big leagues, regardless. It doesn’t matter what you did last year. It’s a new year. For me, I...
