The best and worst hitters against Seaver, Koosman and Matlack – Mets360
Tom Seaver, heart and mighty arm of Miracle Mets, dies at 75, Sports
Why does throwing one and only one no-hitter qualify a pitcher (or pitchers) to be in the Hall of Fame? - Quora
A Quiet Weekend for the 2103 Baseball HOF Inductions - Sports Collectors Digest
Gil Hodges, Carl Erskine named to New York state baseball Hall of Fame - True Blue LA
Who is the best player to appear on a Hall of Fame ballot and not get a vote?
Remembering Mets History (1976) Jerry Koosman Wins His 20th Game
Seaver was a 3-time Cy Young winner and was elected to the Hall in '92
Does Mets great Jerry Koosman belong in the Hall of Fame?