Jerry Koosman to Have Number Retired on August 28, 2021 - Metsmerized Online
Mets retire Jerry Koosman's No. 36 in Citi Field ceremony
Ultimate Mets Database - Jerry Koosman
New York Mets - Wikipedia
MORE
Senga Recorded Eighth Consecutive Quality Start Tuesday - Metsmerized Online
New York Mets Retired Numbers: Who's Next?, News, Scores, Highlights, Stats, and Rumors
Thrilled to be 'joining a great crew,' Jerry Koosman, 78, has jersey retired by New York Mets - ESPN
18 and Life « Faith and Fear in Flushing
Out Of The Shadows: Jerry Koosman - Metsmerized Online
Jerry Koosman to Have Number Retired on August 28, 2021 - Metsmerized Online
New York Mets Sports Ecyclopedia
