Brian Robert Schmack (born December 7, 1973) is a former Major League Baseball relief pitcher who played for the Detroit Tigers in 2003.
He is currently serving as head coach of the Valparaiso Crusaders baseball team, a position he started after the 2013 season.
Schmack attended Northern Illinois University (NIU), where he played college baseball for the Huskies under head coach Spanky McFarland.
He went undrafted out of NIU in 1995 and played for the independent Newark Bison of the Frontier League.
In 1996, the Chicago White Sox signed him to a minor league deal.
He spent 5 seasons in the White Sox' organization and then played 3 with the Texas Rangers' organization before signing with the Detroit Tigers on November 19, 2002.
He made his major league debut with the Tigers in 2003, playing 11 games with a 3.46 ERA.
In 2004, his final professional season, he pitched for Double-A Erie and Triple-A Toledo in the Tigers' organization.