Nestor Molina

Molina may be most famous for being the return package in the Sergio Santos deal, but his career has stalled in his two full seasons in the White Sox's organization. He could not get past Double-A in 2013, and injuries limited him to 39.1 (mostly relief) innings. He remains somewhat stingy with the walks, but his pitches in the strike zone typically result in hits. He will need to improve upon his secondary pitches if he wants to become anything more than a back-end starter or mop-up reliever in the majors (if he ever gets there). Barring a strong spring, he should spend much of 2013 at Triple-A Charlotte.