He was formerly a linebacker at USC, and is now a linebacker for the Green Bay Packers.
He is an outside linebacker.
They don't play the same position. Clay Matthews is an outstanding linebacker and Troy Polamalu is an outstanding strong safety.
NFL player Clay Matthews played for USC.
No.
Clay Matthews is number 52 on the Green Bay Packers.
49ers
University of Southern California
Jeff Matthews plays Quarterback for the Atlanta Falcons.
Cliff Matthews plays Defensive End for the Atlanta Falcons.
Rishard Matthews plays Wide Receiver for the Miami Dolphins.
Chris Matthews plays Wide Receiver for the Seattle Seahawks.
Jordan Matthews plays Wide Receiver for the Philadelphia Eagles.
Casey Matthews plays Line Back for the Philadelphia Eagles.