Mets to retire Gooden's No. 16 and Strawberry's No. 18 next season
Jerry Koosman Autographed Jersey - Mets History
Mets retire Koosman's 36 five decades after '69 heroics
NY Mets All-Time Team: Tom Seaver and Jerry Koosman take the mound for Amazin' anniversary team – New York Daily News
Mets retire Willie Mays' No. 24 as Old-Timers' Day returns
Mets to retire numbers for Doc Gooden and Darryl Strawberry – NBC New York
Mets retire Keith Hernandez's No. 17 in Citi Field ceremony
Mets retire Jerry Koosman's No. 36 in Citi Field ceremony
Thrilled to be 'joining a great crew,' Jerry Koosman, 78, has jersey retired by New York Mets - ESPN
New York Mets retire Keith Hernandez No. 17 jersey
Minnesota native Koosman to have his No. 36 retired by Mets in June