Answer
Greene won four Super Bowl championships throughout his career. He played for the Pittsburgh Steelers from 1996 to 2001 and won Super Bowl XXX, XXXI, and XL. He then played for the Arizona Cardinals from 2004 to 2009 and won Super Bowl XLIII. Greene was a key member of the Steelers' defense during their Super Bowl victories and was named the NFL Defensive Player of the Year in 2001.