Christopher James Mazza (born October 17, 1989) is a free agent professional baseball pitcher. He has previously played in MLB for the New York Mets, Boston Red Sox and Tampa Bay Rays. He attended Menlo College in Atherton, California. Chris is related to Joe, Dom and Vince DiMaggio by way of his grandmother, who is a cousin of the DiMaggio brothers.

Mazza was drafted by the Minnesota Twins in the 27th round of the 2011 MLB draft. He became the first player ever drafted out of Menlo College. Mazza spent time in the Twins organization from 2011 to 2015.

Chris signed a minor league contract with the Miami Marlins on August 4, 2015. While in the Miami organization, he played for the GCL Marlins, Jupiter Hammerheads, Jacksonville Suns, Jacksonville Jumbo Shrimp, and New Orleans Baby Cakes. He was released by the Marlins on May 19, 2018. On August 17, 2018,he was signed by the Seattle Mariners, and was assigned to the Arkansas Travelers for the remainder of the season.

On December 13, 2018, Mazza was selected by the New York Mets in the Triple-A phase of the 2018 Rule 5 draft. He opened the 2019 season playing for the Binghamton Rumble Ponies and the Syracuse Mets. On June 26, Mazza's contract was selected and he was called up to the major leagues for the first time.

He made his major league debut on June 29 against the Atlanta Braves, pitching four innings in relief in which he gave up one earned run while striking out two. Overall with the 2019 Mets, Chris appeared in nine games, all in relief, compiling a 1–1 record with 5.51 ERA in 16+1⁄3 innings pitched while striking out 11 batters. Mazza was designated for assignment on December 13, 2019.

The Boston Red Sox claimed Chris off waivers on December 20, 2019. He made his first appearance with the team on August 1 against the New York Yankees. Overall with the 2020 Red Sox, Mazza appeared in nine games (six starts), compiling a 1–2 record with 4.80 ERA and 29 strikeouts in 30 innings pitched. His only victory of the season came on September 8, against the Philadelphia Phillies. He gave up the longest MLB home run of the season, a 495-foot (151 m) shot to Ronald Acuña Jr. of the Atlanta Braves. On February 12, 2021, Mazza was designated for assignment after the signing of Martín Pérez.

On February 17, 2021, the Red Sox traded Mazza and Jeffrey Springs to the Tampa Bay Rays in exchange for Ronaldo Hernández and Nick Sogard.

(excerpted from Baseball Almanac, BR Bullpen & Wikipedia)