regular season undefeated since the league expanded to a 16-game regular season in 1978 .
On July 28 , 2004 , the New York Giants claimed him off waivers , but released him just two days later , after he could n't completesports.sports_team_season_recordteam 's conditioning run .
The Washington Redskins claimed him off the waiver wire , but ended up sending him to the New York Giants on October 27 , 1971 , to completesports.sports_team_season_recordtrade for Clifton McNeil .