New York Mets The
New York Mets selected Mazzilli in the fourth round of the
2013 MLB draft, with the 116th overall selection, and he signed. After signing, Mazzilli made his professional debut with the
Brooklyn Cyclones of the
Low–A New York–Penn League. He hit .278 in 70 games for Brooklyn, and appeared in the New York–Penn League's
All-Star Game. In 2014, he began the season with the
Savannah Sand Gnats of the
Single–A South Atlantic League (SAL). He also appeared in a game for the
Las Vegas 51s of the
Triple–A Pacific Coast League (PCL) during the PCL playoffs. During the 2014–15 offseason, Minor League Baseball suspended Mazzilli for the first 50 games of the 2015 season for his second positive test for a "drug of abuse". He played for Binghamton in 2015 after his suspension ended, and in 2016. In August 2016, the Mets promoted Mazzilli to the
Las Vegas 51s of the
Triple–A Pacific Coast League. In 122 games split between the two affiliates, he hit .239/.320/.348 with 5 home runs and 43 RBI. Mazzilli split the 2017 season between Binghamton and Las Vegas, batting a cumulative .254/.340/.362 with 5 home runs, 40 RBI, and 9 stolen bases in 110 contests.
New York Yankees On April 10, 2018, the Mets traded Mazzilli to the
New York Yankees in exchange for Kendall Coleman. He spent the season with the Triple–A
Scranton/Wilkes-Barre RailRiders, batting .244/.315/.400 with 7 home runs and 25 RBI in 79 games. On March 29, 2019, Mazzilli was released from his minor league contract.
Long Island Ducks On May 5, 2019, Mazzilli signed with the
Long Island Ducks of the independent
Atlantic League of Professional Baseball. In 122 games for Long Island, he hit .294/.351/.435 with 13 home runs, 74 RBI, and 15 stolen bases. He became a free agent following the season.
Chicago White Sox On December 9, 2019, Mazzilli signed a minor league deal with the
Chicago White Sox. He did not play in a game in 2020 due to the cancellation of the minor league season because of the
COVID-19 pandemic. Mazzilli was released by the White Sox organization on June 18, 2020.
Long Island Ducks (second stint) On April 13, 2021, Mazzilli signed with the
Long Island Ducks of the
Atlantic League of Professional Baseball. In 101 games, he put up a slash line of .303/.381/.440 with 11 home runs, 69 RBI, and 19 stolen bases. On April 12, 2022, Mazzilli re–signed with the Ducks for the 2022 season. In 102 games, he hit .263/.380/.388 with another 11 home runs, 46 RBI, and 21 stolen bases. ==Personal life==