Brian Schneider's journey in Major League Baseball began when he was drafted by the Montreal Expos in the fifth round of the 1995 MLB Draft. A left-handed catcher, Schneider was known for his defensive skills and ability to manage a pitching staff. He made his MLB debut with the Expos on May 26, 2000, and quickly established himself as a reliable presence behind the plate.

Throughout his career, Schneider was recognized for his strong defensive abilities. He was particularly adept at handling pitchers and was often praised for his game-calling skills. His ability to work well with pitchers made him a valuable asset to any team he played for. Schneider's tenure with the Expos lasted until 2004, during which he became a regular starter and a respected figure in the clubhouse.

In 2005, the Expos relocated and became the Washington Nationals. Schneider continued to serve as the team's primary catcher, providing stability during the franchise's transition. His leadership and experience were vital during these formative years for the Nationals. Schneider's performance behind the plate was consistently solid, and he was often among the league leaders in caught stealing percentage.

After the 2007 season, Schneider was traded to the New York Mets. His time with the Mets was marked by his continued defensive prowess, although injuries began to take a toll on his playing time. Despite these challenges, Schneider remained a respected veteran presence on the team, known for his professionalism and work ethic.

In 2010, Schneider signed with the Philadelphia Phillies, where he served as a backup catcher. His role with the Phillies was primarily to mentor younger players and provide depth to the catching position. Schneider's experience and knowledge of the game were invaluable to the Phillies' roster, and he contributed to the team's success during his tenure.

Schneider's career concluded after the 2012 season. Over the course of his career, he played in 1,048 games, recording a .247 batting average with 67 home runs and 387 RBIs. While his offensive numbers were modest, his defensive skills and leadership qualities were highly regarded throughout his time in the majors.