Mets retire Keith Hernandez's No. 17 in Citi Field ceremony
Jerry Koosman Jersey Retirement Ceremony
BLOMBERG COLUMN: Childhood favorite Koosman, star of 'Miracle Mets
New York Mets to retire Keith Hernandez's No. 17 on July 9
NY Mets to retire pitcher Jerry Koosman's number next season
Jerry Koosman: NY Mets legend on jersey retirement, World Series
NY Mets to retire Jerry Koosman's number next season, Jeff Wilpon says
Mets Morning News for June 2, 2021 - Amazin' Avenue
Mets should retire Jerry Koosman's number this year regardless of
Mets] No. 16 and No. 18: Forever enshrined in Mets history. Next
Mets retire Willie Mays' No. 24 as Old-Timers' Day returns