Jayson Werth, nearly 36 and coming off shoulder surgery, won't be 100 percent at the start of spring training. That makes the veteran outfielder the biggest question mark on the Nationals' roster.
Despite significant success since his MLB debut, Tanner Roark is now the odd man out of the Nationals' rotation. How, though, should they use him out of the bullpen in 2015?
The Blue Jays jumped nine games last season from the year before. Another leap like that could put them in the playoffs.
Ryan Zimmerman's move to first base — a position switch years in the making — is one of the biggest storylines of spring training for the Nationals.