R.A. Dickey, starting pitcher, Atlanta Braves (42)
R.A. Dickey not only has an impressive resume, but he has starred in a documentary highlighting his knuckleball.
The 42-year-old has 14 seasons under his belt with a 2012 All-Star spot and an NL Cy Young award. He did struggle last season with an awful 4.46 ERA in 169.2 innings, but his ability to throw a knuckleball could benefit him in the long run. Pitchers with that specialty pitch tend to have longer careers.