challenge: According to Fangraphs, who were the top three pitchers with the best changeups in the game in 2012, ahead of Cole Hamels?
  
  A. Zack Greinke, Aníbal Sánchez, and Gio González
  B. Justin Verlander, Max Scherzer, and Stephen Strasburg
  C. Clayton Kershaw, Madison Bumgarner, and Chris Sale
  D. Jason Vargas, Tommy Milone, and Félix Hernández
  Answer: 