Rookie Rankings: Tanaka dominating 

June, 20, 2014
Jun 20
12:49
PM ET
 Masahiro TanakaAP Photo/Kathy WillensIt's been all thumbs up for Masahiro Tanaka this season.
As we near the halfway point in the season, a dozen rookies are having impact upon their pennant-chasing teams thus far. Let's look at my latest rankings and assess the best of the 2014 rookie class.

1. Masahiro Tanaka | RHP | New York Yankees
If the season ended today, Tanaka would win both the AL Cy Young Award and the AL Rookie of the Year Award. I also expect him to start the All-Star Game for the American League if he continues to pitch at this level. Tanaka has been brilliant -- his split-fingered fastball already is the best in the sport, and his late life and command is special, especially when coupled with his vastly underrated secondary pitches.