Belfiore attended Commack High School, where he played first base, outfield, and pitcher as a member of the school's baseball team.[1] During his senior season in 2006, Belfiore won the Section XI League Most Valuable Player award; the Gibson Award, an award given to the best pitcher in Suffolk County; was named to All-Long Island team; was a first-team All-State All-League and All-County selection; and won the Commack High School Most Outstanding Athlete award.[1] He was also a Suffolk County Hall of Fame inductee in 2006.[1] He started all four of his years on the school's baseball team.[2]
He was perhaps best known in high school for his epic showdown with pitcher Jesse Katz, of Northport High School.
Belfiore made his professional baseball debut in 2009 with the rookie-levelMissoula Osprey of the Pioneer League.[12] On the subject of pitching in professional baseball, Belfiore said, "In college I just threw fastballs and a slider and blew guys away...You have to use your changeup and understand hitters counts [at this level]".[2] He was a league all-star that season.[3] With Missoula, he went 2–2 with a 2.17 ERA, and 55 strikeouts in 14 games, 11 starts. At the start of the 2010 season, Belfiore was assigned to play with the South Bend Silver Hawks of the Class-AMidwest League. On the season, he compiled a 3–10 record with a 3.99 ERA, and 105 strikeouts in 25 games, all starts.
Belfiore was recalled by the Orioles from the Triple-A Norfolk Tides on May 12, 2013,[13] and returned to Norfolk the next day.[14] Belfiore was recalled again on September 21, and made his major league debut on September 27. Pitching to his first batter, he allowed a home run to David Ortiz.[15] He was designated for assignment on March 30, 2014.
Detroit Tigers
On April 3, 2014, the Detroit Tigers claimed Belfiore off waivers and sent him to the Triple-A Toledo Mud Hens.[16] He was released on August 15, 2015, to make room for Kyle Lobstein, who was sent to the Mud Hens on a rehab assignment.[17]
Baltimore Orioles (second stint)
On August 19, 2015, Belfiore signed a minor league contract with the Baltimore Orioles. He elected free agency on November 6.[18]
Personal
Belfiore was born in Commack, New York. He is the middle child of Michael and Patricia Belfiore.[1]