Madison Kyle Bumgarner (born August 1, 1989), commonly known by his nickname, "MadBum", is an American professional baseball pitcher for the Arizona Diamondbacks of Major League Baseball (MLB). Previously, he pitched for the San Francisco Giants (2009–19). Bumgarner has won three World Series championships (2010, 2012, 2014) and two Silver Slugger Awards (2014, 2015). He has also been selected to four National League (NL) All-Star teams and has the most strikeouts in franchise history by a Giants left-handed pitcher.