Matthew Michael Duffy (born January 15, 1991), is an American professional baseball third baseman for the Los Angeles Angels of Major League Baseball (MLB). He played college baseball at Long Beach State. He has previously played in MLB for the San Francisco Giants, Tampa Bay Rays, and Chicago Cubs.
Duffy was drafted by the San Francisco Giants in the 18th round (568th overall) of the 2012 Major League Baseball draft, and signed with the Giants two days later. He began his professional baseball career in 2012 playing for the Salem-Keizer Volcanoes of the Class A-Short Season Northwest League, hitting .247 in 182 at-bats.
Duffy was called up to the Giants and played his first game in the major leagues on August 1, 2014. However, Duffy’s MLB debut is officially recognized as May 22, 2014, as the Giants’ game at the Colorado Rockies that day was suspended due to rain and resumed on September 1.
Duffy entered the resumed game in the bottom of the sixth inning at second base, striking out in his only at-bat. In the 2014 regular season, Duffy played in 34 games and had 60 at-bats. He recorded 16 hits and 5 runs while batting .267/.302/300.
On December 21, 2020, Duffy signed a minor league contract with the Chicago Cubs organization. On March 28, 2021, Duffy was selected to the 40-man roster.
On June 29, Duffy was placed on the 60-day injured list with a lower back strain. He was activated off of the injured list on July 23. On March 16, 2022, Duffy signed a one-year contract with the Los Angeles Angels worth $1.5 million.