Merkovsky was a professional football player in the National Football League.
He played in the league from 1944-1945.
He played for the Pittsburgh Steelers and "Card-Pitt", a team that was the result of a temporary merger between the Chicago Cardinals and the Steelers.
The teams merger was result of the manning shortages experienced league-wide due to World War II.
Prior to his professional career, Merkovsky played college football at the University of Pittsburgh.
In 1939, he played in three college football All-Star Games, located in Boston, Providence and New York.