ESPN publishes no stat lines for Dan Fouts. His career totals, as Wikipedia gives them: 43,040 passing yards, 254 passing touchdowns, 3,297 completions, 5,604 pass attempts, 242 interceptions thrown, 58.8 completion %, 80.2 passer rating, 476 rushing yards, 13 rushing touchdowns.
Among the 2,587 NFL players with a career line on file, regular season. A place deeper than 300th is not listed.