ATLANTA - The Atlanta Falcons released wide receiver Harry Douglas, starting offensive guard Justin Blalock and defensive end Jonathan Massaquoi on Friday, a day after cutting running back Steven Jackson.

Douglas, a third-round pick in 2008, had career-high totals of 85 receptions for 1,067 yards in 2013, when he started in 11 of 16 games. Douglas, a third-round draft pick from Louisville in 2008, usually was the No. 3 receiver behind Julio Jones and Roddy White.

Blalock, a second-round pick from Texas in 2007, started all 125 games in which he played, including 15 in 2014.

On his Twitter feed on Friday, Douglas said "Thanking @AtlantaFalcons for my 7 years in ATL & the opportunity to play in the city I grew up. First class organization. Much luv 2 fans."

Blalock also reached out to fans through his Twitter feed, saying "I'd like to sincerely thank the Atlanta Falcons, all my teammates and especially the fans. I've had an unbelievable 8 years and only wish I could have helped bring a championship to the ATL."

Massaquoi, a fifth-round pick from Troy in 2012, started seven games in three seasons, including three in 2014 when he had two sacks. Massaquoi had a career-high four sacks in 2013.

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