A look at the Chicago Cubs potential 2015 Opening Day roster

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Catcher – This spot seems to be locked down by Welington Castillo, who won’t hit free agency until after the 2018 season. Kyle Schwarber, who had a dominant season after being selected with the fourth-overall pick in the June draft, could eventually assume this role, but for now, Castillo seems to be the man moving forward.

The 27-year-old has struggled to reach base as often as he did last year, when he posted a batting line of .274/.349/.397 across 113 games. In those 93 contests, he clubbed eight home runs and drove in 32 runs. This season, although he’s batting just .231, Castillo has hit 10 home runs and driven in 34 runs, despite appearing in just 93 games to this point. He’s been a reliable backstop behind the dish and this looks to be the top candidate to start behind the dish in 2015.