Alfred Calvin Blue III (born April 27, 1991) is an American former professional football running back.

Blue was a member of the SuperPrep Southwest Team and was named to the Baton Rouge Advocate Super Dozen.

Blue earned the honors of the Class 5A all-state first-team in 2009 and was selected as the District 6-5A 2009 Offensive MVP.

[4] As a freshman, Blue shared the backfield with Stevan Ridley, Michael Ford, Russell Shepard, Richard Murphy, and Spencer Ware.

He finished third on the team in carries, only trailing Spencer Ware and Michael Ford.

[19] Blue was selected by the Houston Texans in the sixth round with the 181st overall pick in the 2014 NFL draft.

[21][22] In his first regular season game as a rookie with the Texans, Blue blocked a punt against Washington Redskins punter Tress Way and returned it for a touchdown.

[29] At that moment, Blue became the first player in franchise history with a rushing, receiving, and return touchdown in the same season.

[24] On December 28, 2014, Blue set career highs in receptions (6) and receiving yards (37) against the Jaguars.

[30] Blue finished the 2014 season with 528 yards, which was the fourth-highest total for a rookie rusher in franchise history.

[36] In the Wild Card Round against the Kansas City Chiefs, he had 17 carries for 99 yards in the 30–0 loss.

[40] In the Wild Card Round against the Oakland Raiders, he was limited to four rushing yards in the 27–14 victory.