The Master Of The Cutter

Mariano Rivera who was drafted by the Yankees in 1995 and who came up with Derek Jeter , Andy Pettite and Jorge Posada had a nasty pitch that could get any player to strikeout. Who is the next player to master the nasty pitch ?  It's Miami Marlines right hander David Phelps who was a teammate of Mariano Rivera  for two seasons in New York  before Mariano Rivera retired "According to an article http://m.mlb.com/news/article/176791240/marlins-phelps-throws-an-effective-cutter/