2026 COACHING STAFF The Binghamton Rumble Ponies, Double-A Affiliate of the New York Mets, are pleased to unveil their 2026 coaching staff. Michael Collins enters his first season as Binghamton’s manager and is the 19th manager in franchise history. He is joined by pitching coach Matt Carasiti , hitting coach Rachel Folden , bench coach Mariano Duncan , and assistant hitting coach/infield coach Jake Hager .
Collins begins his first year as manager of the Rumble Ponies and first year in the Mets organization. He takes over for Reid Brignac (2022-25), the second-longest tenured manager in Binghamton history, who is now the bench coach for Triple-A Durham (Tampa Bay Rays). Collins spent the previous eight seasons (2018-25) with the Houston Astros. He was a bullpen catcher in 2018 and served as Houston’s major league catching coach for the last seven sea - sons (2019-25), including on the 2022 World Series champion staff. Prior to his tenure with the Astros, Collins worked in the San Di - ego Padres organization as a manager for a combined six seasons at different levels of their minor league system. He managed the DSL Padres (2012), AZL Padres (2013, 2016-17), High-A Fort Wayne
Michael Collins begins his first sea - son in the Mets system. He is 19th manager in Binghamton franchise history.
(2014), and Single-A Lake Elsinore (2015). The Australian native also managed the Canber - ra Cavalry in the Australian Baseball League from 2012-14, right after his playing career ended. He led Caberra to the Claxton Shield as national champions for the first time. Collins played 10 seasons in Minor League Baseball, including eight seasons in the Angels organization and two seasons in the Padres system. He debuted in the Angels system in 2001 at the age of 16 and reached as high as Triple-A with the Padres in 2009 and 2010. Collins played in the Australian Baseball League and was an All-Star catcher in 2010-11. Collins has international experience as both a player and a coach. He coached Team Aus - tralia in the World Baseball Classic in 2026, 2017, and 2013. Collins played for Team Aus - tralia in the WBC in 2009 and 2006. Collins was born in Canberra, Australia, and became a United States citizen on May 3, 2024.
Duncan begins his fifth year as bench coach with the Rumble Ponies and eighth year in the Mets organization. He has helped Binghamton reach the Eastern League Championship Series in two of the last three seasons, including winning the title in 2025. He previously served as the bench coach for the Brooklyn Cyclones (High-A) in 2021 and in the same role with Kingsport in 2019. The former infielder played 12 MLB seasons with the Los Angeles Dodgers, Cincinnati Reds, Philadelphia Phillies, New York Yankees, and Toronto Blue Jays. He is a two-time World Series champion (’90 Reds and ’96 Yankees) and was inducted into the Dominican Republic Baseball Hall of Fame in 2008. Duncan also was a member of the 1993 Phillies team that won the National League pennant.
Mariano Duncan enters his 5th season as Binghamton’s bench coach. He is a 2x World Series champion (1990 Cincinnati Reds and 1996 New York Yankees)
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