San Francisco Giants – No. 5
|Second baseman / Shortstop / Third Baseman|
Born: January 15, 1991|
Long Beach, California
|August 1, 2014 for the San Francisco Giants|
(through May 15, 2015)
|Runs batted in||23|
Career highlights and awards
Matthew Michael Duffy (born January 15, 1991) is an American professional baseball infielder for the San Francisco Giants of Major League Baseball (MLB). He attended Long Beach State until he was drafted by the San Francisco Giants in 2012. He is 6 feet 2 inches tall and weighs 170 pounds. He bats and throws right-handed.
Born in Long Beach, California, Duffy attended Lakewood High School in Lakewood, California, where he acquired the nickname "Duffman." At Lakewood High School, Duffy was a two-year letterwinner and led the team to a 23-12 record and a league championship in 2008. He was a two time all-state selection and a two-time all-league pick also. As a junior, Duffy achieved a batting average of .409 and 28 runs batted in. He hit .380 his senior year with 34 runs batted in and 3 home runs.
Duffy played college baseball at Long Beach State University from 2010 to 2012. During his 2010 season at Long Beach State, Duffy played in 30 games, starting 20 of them, averaged .244, had 86 at bats, 8 runs, 21 hits, and 7 RBI. In the 2011 season, Duffy played in 55 games, started 54 of them, averaged .266, had 214 at bats, 22 runs, 57 hits, and 31 RBI. In those two seasons at Long Beach State, Duffy played in 85 games, started 74 of them, averaged .260, had 300 at bats, 30 runs, 78 hits, and 38 RBI. In 501 college at bats, Matt Duffy hit .253 and had an on-base percentage of .305. Over those three seasons, Duffy recorded zero home runs, sixteen doubles, and one triple. He was kept on the team because of his defensive abilities. He was drafted by the San Francisco Giants in the 18th round (568th overall) of the 2012 Major League Baseball Draft.
In 2012, Duffy began his professional baseball career playing for the Salem-Keizer Volcanoes of the Class A-Short Season Northwest League, hitting .247 in 182 at bats. In 2013, Duffy played for the Augusta GreenJackets of the Class A South Atlantic League and the San Jose Giants of the Class A-Advanced California League. In Augusta, he hit .307 with a 45/41 walk to strikeout ratio in 287 at bats, and in San Jose, Duffy hit .292 in 106 at bats. Duffy began 2014 with the Richmond Flying Squirrels of the Double-A Eastern League.
In his minor league career, Duffy played in 248 games and recorded 942 at bats. He scored 149 runs and 286 hits. Duffy hit 13 home runs and had 135 runs batted in. He was walked 120 times and struck out 145 times. Duffy also stole 55 bases. In the minors, Duffy recorded an average of .304 and an on-base percentage of .387. 
Major league career
Duffy was called up to the San Francisco Giants and played his first game in the major leagues on August 1, 2014. In the 2014 regular season, Duffy played in 34 games and had 60 at bats. He recorded 16 hits and 5 runs with a batting average of .267 and on-base percentage of .302. In Game 2 of the 2014 National League Championship Series, Duffy scored the tying run from second base on a wild pitch in the top of the ninth inning. He recorded a speed of 20.3 miles per hour when he raced from second to home. Duffy was also one of five rookies eligible to play against the Royals in the 2014 World Series. In the 2014 World Series, at age 23, he was the youngest player on the Giants' 25-man roster. By this point in his career, the knobs of his bats were decorated by cartoon "Duffman" decals.
Duffy was invited to his first Spring Training in 2015, where he hit .361 and earned the Barney Nugent Award, given to the player in his first Major League camp whose performance best exemplifies the spirit of the club. On April 5, 2015, Duffy was named to the Giants' opening day 25-man roster. He hit his first major league home run on April 15, 2015, against the Colorado Rockies. On May 10, 2015, Duffy hit a walk-off, bases-loaded single in the bottom of the ninth inning to defeat the Miami Marlins 3–2. On May 12, 2015, Duffy set new career-highs with 3 hits and 5 RBIs, helping the Giants to an 8–1 victory over the Houston Astros. Duffy was the first Giants rookie to collect 5 RBIs in a game since Buster Posey on July 7, 2010.
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- "Junior Matt Duffy leads three third day selections in MLB Draft". LongBeachState.com. June 6, 2012.
- Straus, Jake (August 8, 2014). "Alumnus of the Week: Matt Duffy". MiLB.com. Retrieved August 25, 2014.
- "Matt Duffy 5". MiLB.com. 2015. Retrieved May 11, 2015.
- "Roster: Matt Duffy". mlb.com. San Francisco Giants. Retrieved May 7, 2015.
- Short, D.J. (October 13, 2014). "Statcast: Matt Duffy scores on wild pitch in NLCS Game 2". NBC Sports.
- Haft, Chris (March 31, 2015). "Duffy wins Giants' award for spring newcomer". MLB.com.
- Steward, Carl (April 5, 2015). "Matt Duffy survives San Francisco Giants' final roster cuts". San Jose Mercury News.
- Gilmore, Eric. "Duffy's first career homer a bright spot in loss". Mlb.com. Retrieved April 23, 2015.
- Espinoza, Alex (May 10, 2015). "Duffy delivers in walk-off opportunity". MLB.com.
- Haft, Chris (May 12, 2015). "Confident Duffy comes through with 5 RBIs". MLB.com.
- Baggarly, Andrew (May 12, 2015). "Extra Baggs: Chris Heston joins a list of all aces, no jokers; Matt Duffy is great at No.8; Hunter Pence hits a Vegas jackpot". San Jose Mercury News.
- "UPDATED: Giants designate Casey McGehee, hand starting third base job to Matt Duffy - Giants Extra". Retrieved 2015-05-24.
- Career statistics and player information from MLB, or Baseball-Reference, or The Baseball Cube, or Baseball-Reference (Minors)
- Long Beach State Dirtbags bio