After serving in World War I, he held tenures as a boxing, baseball, and track coach for The Citadel, The Military College of South Carolina from 1926 to 1953.
Each played college football for the USC Trojans, and they were both selected in the first round of their respective drafts; Clay Jr. in 1978 and Bruce in 1983.
Bruce, a highly versatile offensive lineman, played guard, tackle, center, and snapper, for the Houston / Tennessee Oilers / Titans franchise from 1983 to 2001.
[6] Clay Jr. and Bruce are the only brothers to play on the same Pro Bowl team, doing so for the American Football Conference in both 1988 and 1989.
Clay III was drafted by Green Bay Packers in 2009, with whom he has earned six Pro Bowl selections, a victory in Super Bowl XLV, appeared in three NFC Championship Games (most recently of the 2016–17 NFL playoffs where he faced off against his cousin Jake), and is the franchise's all-time sacks leader.
In the NFC championship game of the 2016–17 NFL playoffs, he and the Falcons defeated his cousin Clay III and the Packers to advance to Super Bowl LI.