FILE - In this Oct. 8, 1972, file photo, Pittsburgh Steelers left tackle Joe Greene (75) takes a short cut over Dallas Cowboys guard Blaine Nye (61) to put a sudden halt on Cowboys' Walt Garrison (32) during a football game in Irving, Texas. The beginning of the Pittsburgh Steelers dynasty of the 1970s can be pinpointed to the drafting of defensive lineman Joe Greene in 1969. (AP Photo/Fred Kaufman, File)