Every MLB team goes into the season with a certain number of known commodities, players they can count on to consistently produce at a high level. However, most teams need a handful of players to step up and out-perform expectations or past performance with a breakout season in order to legitimately contend.
The Oakland A's are the perfect example, as they got breakout seasons from the likes of Brandon Moss, Josh Reddick and Jarrod Parker last season and surprised with an AL West title.
Whether it is a player with big league experience taking his production to the next level or an unproven prospect coming through with significant production, every team has a handful of guys capable of breaking out each season.
With that in mind, here is who I view as each MLB team's biggest breakout candidate entering spring training and the 2013 season.