Tittle retired after the 1964 season at the age of 38 (born October 24, 1926).
http://www.cmgworldwide.com/football/tittle/index.html
Y. A. Tittle is 86 years old (birthdate: October 24, 1926).
Emeritus is a suffix added to the title of a person retired from active service, but retaining rank or title. An example is a retired professor who has the title Professor Emeritus. A person who is retired but retains an honorary title corresponding to the position that was held immediately before retirement. e.g. an emeritus professor is a retired professor.
Professor Emeritus.
Major
You're Only Old Once by Dr. Seuss
He was 37 years old when he retired
General Retired
Senator and Mrs. Smith. He retains the title even when he is retired.
he retired in 1945
Yes, because retired in this case is a part of the proper noun. Some styles allow you to not capitalize prepositions and articles, but retired is neither of these.
Daley Thompson was 34 years old when he retired from athletics. He retired in 1992.