Tampa Bay Rays
Although he has not thrown an MLB pitch in 2015, Grant Balfour threw 8,399 pitches that were tracked by the PITCHf/x system between 2007 and 2014, including pitches thrown in the MLB Regular Season, the MLB Postseason and Spring Training. In 2014, he relied primarily on his Fourseam Fastball (93mph) and Slider (85mph), also mixing in a Curve (83mph) and Change (87mph). He also rarely threw a Sinker (92mph).
Basic description of 2014 pitches compared to other HP: