It's great that the Mets are retiring Mike Piazza's number, but Gary Carter and Keith Hernandez deserve same honor – New York Daily News
Mets retire Keith Hernandez's No. 17 in Citi Field ceremony
Keith Hernandez - Wikipedia
Keith Hernandez Jersey Retirement Ceremony, New York Mets, Watch live as Keith Hernandez's number 17 is retired by the Mets., By New York Mets
St. Louis Cardinals: From Oz to McGee, 51 iconic uni numbers
Keith Hernandez – Society for American Baseball Research
Keith Hernandez jersey to be retired by Mets
Mets retire Keith Hernandez's No. 17 in Citi Field ceremony
Mets retire Willie Mays' No. 24 as Old-Timers' Day returns - Seattle Sports