Nationals Insider Mark Zuckerman gives his projection for the Nats' Opening Day lineup in this video.
Age on Opening Day 2015: 27
How acquired: Trade from Twins for RHP Matt Capps, July 2010
2015 salary: $3.55 million
Nine members of the Nationals are expected to file for arbitration on Tuesday, beginning the sometimes long and arduous process of determining salaries for players who aren't yet eligible for free