Jerry Koosman's No 36 to be retired by Mets in June
Mets to Retire Jerry Koosman's Jersey - The New York Times
Mets Retire Legendary Pitcher Jerry Koosman's No. 36 - Sports Illustrated New York Mets News, Analysis and More
Mets' retired numbers
Mets retire Willie Mays' No. 24 as Old-Timers' Day returns - NBC Sports
Doc And Darryl To Have Their Mets Numbers Retired
Mets to Retire Jerry Koosman's Jersey - The New York Times
Mets to Retire Jerry Koosman's Jersey - The New York Times
Mets' next retired numbers prediction