Mets retire Willie Mays' number in Old-Timers' Day surprise
Willie Mays tells the history of baseball in new book '24'
New York Mets - Wikipedia
Willie Mays The Sey Hey Kid #24: The Mets Years (1972 - 1973)
Giants' All-Time Retired Numbers
Willie Mays' No. 24 Jersey Retired by Mets; Played 2 Seasons with NY, News, Scores, Highlights, Stats, and Rumors
New York Mets retire Willie Mays' No. 24 jersey in Old-Timers' Day surprise - ESPN
Willie Mays trade: Giants sent OF to Mets this day in 1972 - Sports Illustrated