New York Mets on Twitter: #OTD in 1964, we signed Jerry Koosman

1969 Mets Pitchers 16x20 Photo Signed by (4) With Tom Seaver, Jerry Koosman, Nolan Ryan & Gary Gentry (FSC COA & Ryan Hologram)

This Date In Mets History: June 6 — The Mets trounce Roger Clemens and the Yankees, 7-2, on national TV - Amazin' Avenue

Jerry Koosman Autographed Jersey - Mets History

New York Mets: A Sports Illustrated History Part 1: 1962-1985 - Amazin' Avenue

Jerry Koosman

Jerry Koosman- Mets All Time Lefthander (Part Three 1974-1985)

The Mets on Tumblr — WHERE ARE THEY NOW? 1969 World Champions: JERRY

Jerry Koosman's No. 36 retired by Mets

NY Mets hit a snag in 1974 during our historical simulation

1976 TOPPS #64 JERRY KOOSMAN NEW YORK METS - BVG 8 NM-MT

Mets to retire Koosman's number — Queens Daily Eagle

Mets History Simulated: 1970 season includes two no-hitters, playoff appearance

Jerry Koosman: NY Mets legend on jersey retirement, World Series

October 12, 1969: Koosman leads Mets to first World Series win in Game Two – Society for American Baseball Research