John Ayers
During that span , he appeared in two Super Bowls: Super Bowl XVI and Super Bowl XIX for the San Francisco 49ers . 
<triplet> Super Bowl XVI <subj> Super Bowl <obj> instance of <subj> San Francisco 49ers <obj> participating team <triplet> Super Bowl XIX <subj> Super Bowl <obj> instance of <subj> San Francisco 49ers <obj> participating team