ESPN publishes no stat lines for Joe Namath. His career totals, as Wikipedia gives them: 27,663 passing yards, 173 passing touchdowns, 1,886 completions, 3,762 pass attempts, 220 interceptions thrown, 50.1 completion %, 65.5 passer rating.
Among the 2,587 NFL players with a career line on file, regular season. A place deeper than 300th is not listed.