Mets retire Keith Hernandez's No. 17 in Citi Field ceremony
Mets retire Willie Mays' No. 24 as Old-Timers' Day returns
Mets retiring Darryl Strawberry's No. 18, Dwight Gooden's No. 16 in 2024
Mets Announce Plans to Retire Jerry Koosman's Uniform #36, by New York Mets
Mets honor Jerry Koosman with overdue jersey retirement
Mets will retire Jerry Koosman's number in 2020 – New York Daily News
Mets retire Willie Mays' No. 24 as Old-Timers' Day returns
New York Mets news: Jerry Koosman's No. 36 will be retired next year
Thrilled to be 'joining a great crew,' Jerry Koosman, 78, has jersey retired by New York Mets - ESPN
Jerry Koosman's No. 36 retired by Mets