Matt Koperniak Stats & Bio | Cardinals Left Field

About Matt Koperniak

Matt Koperniak brings a unique international flair to the St. Louis Cardinals organization, suiting up as a left fielder wearing number 29. Born on February 8, 1998, in London, United Kingdom, Koperniak represents a rare breed of baseball talent developed far beyond American borders. Standing at 6'0" and weighing 200 pounds, he possesses the physical tools that drew scouts' attention and earned him a spot on one of baseball's most storied franchises. Before reaching the professional ranks, Koperniak honed his skills at Trinity College, where he developed the discipline and baseball instincts that define his game today. His journey from the United Kingdom to a Cardinals uniform is a testament to the sport's growing global reach and his own relentless dedication to mastering America's pastime.

Updated: Mar 8, 2026