Hall of Fame case: Johan Santana Koufax-like, but not for long enough
Johan Santana's Cooperstown Case: The Missing Cy Young - Twins - Twins Daily
If Sandy Koufax is a Hall of Famer, Johan Santana Is Too. Making The Case For No-han, by Brian P. Mangan
Johan Santana faces an uphill climb to Cooperstown - Sports Illustrated
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Pitchers born in 1970s missing from Hall of Fame
Pitchers born in 1970s missing from Hall of Fame
Joe Nathan and the Cooperstown Closer Conundrum - Cooperstown Cred
Making the case: Johan Santana and the 2018 Hall of Fame Ballot - Last Word On Baseball
Posnanski: Should average seasons, like Albert Pujols' Anaheim years, help or hurt a Hall of Fame case? - The Athletic
Hall of Fame cases: How much does Johan Santana's career look like Sandy Koufax's?