NFL player Clay Matthews played for USC.
University of Southern California
NFL player Jeff Matthews played for Cornell.
NFL player Jordan Matthews played for Vanderbilt.
NFL player Casey Matthews played for Oregon.
NFL player Chris Matthews played for Kentucky.
NFL player Jake Matthews played for Texas A&M.
NFL player Cliff Matthews played for South Carolina.
NFL player Brennan Clay played for Oklahoma.
NFL player Charles Clay played for Hawaii.
No.
49ers
It's hard to say who is a better player, since they play different positions. They're both very good, Clay Matthews as an outside linebacker and Troy Polamalu as a strong safety.