Brett Favre may now be the only grandfather in the NFL.
Favre's daughter, Brittany, has given birth to a baby boy: Parker Brett. Brittany, 21, gives Favre, 40, his first grandchild.
Grandpa Brett says on his web site that he and wife Deanna are "very proud" to welcome their first grandchild.
Favre Welcomes Grandchild To Family