Boyd was also a member of the Cologne Centurions, Pittsburgh Steelers, Arizona Cardinals, Houston Texans, Montreal Alouettes, California Redwoods, Indianapolis Colts, Sacramento Mountain Lions, Milwaukee Mustangs, Tampa Bay Storm, Portland Thunder, Bluegrass Warhorses, San Antonio Talons, Arizona Rattlers, Cleveland Gladiators and Baltimore Brigade.

[citation needed] On December 20, 2013, Boyd was selected by the Portland Thunder in the 2014 AFL Expansion Draft.

[8] Boyd left the AFL and joined the Bluegrass Warhorses of the Continental Indoor Football League (CIFL) for the 2014 season.

[citation needed] Boyd was assigned to the San Antonio Talons of the AFL on April 2, 2014.

[12] He started the team's first game of the season, completing 24 of 37 passes for 288 yards, five touchdowns and one interception in a 46–40 loss to the Tampa Bay Storm.

[13] On May 22, 2017, Boyd and Brandon Thompkins were traded to the Baltimore Brigade for claim order positioning and future considerations.

He started the team's final game of the regular season, completing 18 of 32 passes for 228 yards and four touchdowns in a 41–35 loss to the Washington Valor.

[14] He also started the team's playoff game, completing 21 of 33 passes for 324 yards, seven touchdowns and one interception in a 69–54 loss to the Philadelphia Soul.