Phillies Add Veteran Catcher Mark Kolozsvary for Depth

The Philadelphia Phillies made a strategic addition to their catching corps on Friday, agreeing to a minor league contract with 30-year-old Mark Kolozsvary. The deal includes an invitation to spring training, giving Kolozsvary an opportunity to compete for a role while providing organizational depth.

Kolozsvary, who has appeared in 11 major league games, brings experience to a position where the Phillies currently lack stability behind JT Realmuto, who remains on the free-agent market. His signing ensures the team has additional options at both the major and minor league levels.

Originally a seventh-round pick by the Cincinnati Reds in 2017, Kolozsvary made his MLB debut in 2022. In 10 games that year, he hit .200 with one home run and three RBIs, recording his first hit and RBI with a double off Nick Martinez and his first homer against Junior Fernandez.

Since then, Kolozsvary has moved through multiple organizations, including the Orioles, Twins, and Red Sox, primarily spending time in Triple-A and Double-A affiliates. While his offensive output has been modest, his defensive reliability and professional experience have remained his calling card.

1. Career Journey

After debuting with Cincinnati in 2022, Kolozsvary spent time with the Baltimore Orioles, making a single MLB appearance in 2023 while primarily playing with the Triple-A Norfolk Tides. There, he struggled offensively, hitting .162/.250/.265 across 20 games before electing free agency. Shortly afterward, Kolozsvary joined the Minnesota Twins on a minor league contract, appearing in six Triple-A games for St. Paul and posting a .214 batting average with one home run and four RBIs. He entered free agency again following the season. In December 2023, Kolozsvary signed with the Boston Red Sox organization, spending 2024 and 2025 with their Double-A and Triple-A affiliates. He compiled a combined .253/.336/.495 line with five home runs and 17 RBIs in 30 games before being placed on the full-season injured list in June 2025. Throughout his career, Kolozsvary has demonstrated resilience and adaptability, moving through multiple organizations while maintaining a reputation as a reliable defensive catcher capable of guiding pitchers at the minor and major league levels.

2. Strategic Depth for the Phillies

Philadelphia’s current catching situation makes Kolozsvary’s signing particularly strategic. With JT Realmuto still a free agent and both Rafael Marchan and Garrett Stubbs lacking minor league options, the team gains flexibility by adding a catcher with two options remaining. Kolozsvary provides insurance for both the Triple-A Lehigh Valley roster and potential competition for a backup role at the major league level. His defensive skills can also help prepare pitchers during spring training, adding value even if he does not see significant MLB playing time. While Marchan and Stubbs are under contract for 2026, Kolozsvary’s presence creates competition and depth without significant financial commitment. His experience and professionalism give the Phillies a seasoned option should circumstances shift, including injuries or roster adjustments. Ultimately, Kolozsvary’s signing strengthens the organization’s catching pipeline, ensuring the Phillies are prepared for multiple scenarios at a position that is critical to both pitcher development and major league success.

3. Outlook for 2026

Though unlikely to be a regular major league contributor next season, Kolozsvary is expected to provide valuable depth in Triple-A and compete for a backup role during spring training. His defensive acumen and experience with multiple organizations make him a reliable mentor for younger catchers and a stabilizing presence in the clubhouse. The Phillies benefit from having an additional option who can step in if needed, particularly behind the plate. As the offseason progresses, Kolozsvary’s opportunity may expand depending on the status of Realmuto, injuries, or roster decisions. Even as a minor league signing, he represents a low-risk, high-utility addition for the organization. His combination of defensive skill, professionalism, and minor league options makes Kolozsvary a practical addition to the Phillies’ roster heading into 2026.