Giants' single-digit jersey numbers all either retired or in use

NFL Week 6: Justin Fields, Trevor Lawrence among many QB injuries

What the Yankees' uniform number crunch could cost MLB's managers and coaches - The Athletic

Jeff Duncan: You won't see a Saints player wear jersey Nos. 8 or 9 again. Here's why., Jeff Duncan

History of Giants' retired jersey numbers

Fact or Fiction: Most iconic number in Giants history

Kobe Retiring Both Numbers Is So Very Kobe - The Ringer

PFF All-Decade Top 101: The best NFL players from the 2010s, NFL News, Rankings and Statistics

Mets retire Willie Mays' number in Old-Timers' Day surprise

Memphis Football to Retire Danton Barto's Jersey - University of Memphis Athletics

The Wilderness Years - New York Giants 1964-1978 - Big Blue Interactive