Steve Petro from 1973 to 1984. Steve's Pitt nickname was "The Rock," based on Petro, a derivation of the Greek word petros, which means rock. The Pitt Panther mascot's nickname is ROC, in Steve's honor. Steve Petro Stephen Lawrence Petro (October 21, 1914 – August 15, 1994) was an American football guard who played two seasons with the Brooklyn Dodgers of the National Football League (NFL). He was drafted by the Pittsburgh Pirates in the ninth round of the 1939 NFL Draft. He played college football at the University of Pittsburgh and attended Greater Johnstown High School in Johnstown, Pennsylvania. Steve played
Petro Kozak the Communist regime abolished the Greek-Catholic Church, and exiled to Siberia. Released from prison on October 1960 and clandestinly continued to serve as priest. On 1983 Fr. Kozak was consecrated to the Episcopate as auxiliary bishop. The principal and single consecrator was clandestine archbishop Volodymyr Sterniuk. He died on 9 December 1984. Petro Kozak Petro Kozak, C.Ss.R. (; 4 April 1911 – 9 December 1984) was a Ukrainian Greek Catholic clandestine hierarch. He was an auxiliary bishop of the Ukrainian Catholic Archeparchy of Lviv from 1983 to 1984. Born in Loshniv, Austro-Hungarian Empire (present-day – Ternopil Oblast, Ukraine) in 1911