The Washington Nationals made some noise this off-season by acquiring Jayson Werth, but the team also lost sluggers Adam Dunn and Josh Willingham. As far as the potential sleepers, Ian Desmond had an excellent finish to last season and could prosper in his second season. Even though he has been demoted to the Minor Leagues, Roger Bernadina could evolve as a five-tool talent. In the starting rotation, Jordan Zimmerman is the best of the bunch, even though his durability is in question. For more sabermetrics and fantasy insight visit BloombergSports.com for access to the Front Office Product.