Career
Piekarski was a third-team selection to the 1903 College Football All-America Team and a consensus first-team pick on the 1904 College Football All-America Team. He was among the first Polish-Americans to gain recognition in college football. Following his graduation from Penn, Piekarski served as the head football coach at Washington & Jefferson College from 1905 to 1907, leading the Presidents to a record of 25–7 in three seasons.
In 1914 he returned to his alma mater, Penn, as an assistant football coach in charge of the linemen under head coach George H. Brooke.
Piekarski was also a lawyer In 1933, he became a judge in Allegheny County, Pennsylvania.
Piekarski died in 1951 at Pittsburgh Hospital in Pittsburgh. In 2005, he was named to the National Polish-American Sports Hall of Fame.