Darin Paul Mastroianni is a right-handed major league baseball center fielder for the Toronto Blue Jays

Toronto Blue Jays

The Toronto Blue Jays are a professional baseball team located in Toronto, Ontario, Canada. The Blue Jays are a member of the Eastern Division of Major League Baseball 's American League ....

.

Prior to playing professionally, Mastroianni attended Fox Lane High School

Fox Lane High School

Fox Lane High School is a public secondary school located in the town of Bedford, New York. It is named after the road, Fox Lane, that begins just to the side of the school's driveway. Fox Lane is considered to be one of Westchester County's top public high schools, noted for its commitment to...

 in Bedford, New York

Bedford (town), New York

Bedford is a town in Westchester County, New York, USA. The population was 17,335 at the 2010 census.The Town of Bedford is located in the northeastern part of Westchester County, and contains the three hamlets of Bedford Hills, Bedford Village, and Katonah...

 and then Winthrop University

Winthrop University

Winthrop University is a public, four-year liberal arts university in Rock Hill, South Carolina, USA. In 2006-07, Winthrop University had an enrollment of 6,292 students. The University has been recognized as South Carolina's top-rated university according to evaluations conducted by the South...

 and University of Southern Indiana

University of Southern Indiana

The University of Southern Indiana is a public university in Vanderburgh County, Indiana. This publicly funded institution has been among the fastest growingcomprehensive state universities in Indiana. Record fall enrollment in 2010 reached 10,702...

. He was drafted by the Blue Jays in the 16th round of the 2007 amateur draft.

He played for the Auburn Doubledays

Auburn Doubledays

The Auburn Doubledays are a minor league baseball team in Auburn, New York, USA, that is owned and operated by Auburn Community Baseball. They are a member of the Short-Season Class A New York-Penn League and have been a farm team of the Houston Astros , the Toronto Blue Jays , and Washington...

 in 2007, hitting .287 with three home runs, 26 RBI and 20 stolen bases in 68 games. In 2008, he hit .228 with three home runs, 25 RBI and 30 stolen bases for the Lansing Lugnuts

Lansing Lugnuts

The Lansing Lugnuts are a Class A minor league baseball team, affiliated with the Toronto Blue Jays, that plays in the Midwest League.The Midwest League came to Lansing, Michigan in 1996. The franchise began in Lafayette, Indiana, in 1955; after two seasons it moved to Waterloo, Iowa, where it...

. He split 2009 between the Dunedin Blue Jays

Dunedin Blue Jays

The Dunedin Blue Jays are a minor league baseball team based in Dunedin, Florida. They play in the Florida State League, and are the Class A-Advanced affiliate of the Toronto Blue Jays Major League Baseball club...

 and New Hampshire Fisher Cats

New Hampshire Fisher Cats

The New Hampshire Fisher Cats are a minor league baseball team based in Manchester, New Hampshire. The team, which plays in the Eastern League, is the Double-A affiliate of the Toronto Blue Jays major-league club....

, hitting a combined .297 with 70 stolen bases in 131 games. He played for the Fisher Cats again in 2010, hitting .301 with 46 stolen bases.

Major League Career

Mastroianni was called up to replace the newly acquired Kelly Johnson

Kelly Johnson (baseball)

Kelly Andrew Johnson is a Major League Baseball second baseman.-Atlanta Braves:Johnson was drafted in the first round of the 2000 Major League Baseball Draft by the Atlanta Braves...

, who had to return to Arizona because he forgot his passport. He debuted for the Blue Jays on August 24, 2011, in center field. Mastroianni finished his debut 0-for-2 with a strikeout.