Condren signed with the Giants and played three seasons in New York, from 1965 to 1967. He suffered a knee injury during his rookie season and only saw action in 8 games before being sent home to rehabilitate.[1] He was waived by the Giants ahead of the 1968 NFL season and claimed by the fledgling Atlanta Falcons, who sent him to play with a minor league affiliate in Huntsville, Alabama, the Alabama Hawks of the Continental Football League.[1]