The Browns merged into the more established National Football League (NFL) in 1950. Aided by Gatski's blocking, the offense and the team continued to succeed. Cleveland won the 1950 NFL championship, and reached the championship game in each of the following five seasons, winning again in 1954 and 1955. By the time the Browns entered the NFL, Gatski had developed a reputation for consistency, durability and toughness. Brown began keeping only one center on the roster – Gatski. Centers today would complain about that, Walt Michaels, who played with Gatski in the early 1950s, said in later years. Gatski, however, did not mind. "He would take all the snaps," Michaels said.