He signed with the Houston Texans of the National Football League (NFL) as an undrafted free agent in 2014.

[3][4] In 2013 as a senior, he was named team captain for the second consecutive year and was selected to the first-team All-Big Ten by coaches.

The Spartans (a 4.5-point underdog) ended up winning the 100th Rose Bowl over Stanford 24-20, capping off one of the best seasons in Michigan State football history.

[7] After being cut on August 30, 2014, the Houston Texans signed Max Bullough to their practice squad on September 1, 2014, after he went unclaimed.

[9] In the 2015 season, Bullough was promoted to the active roster along with former Michigan State teammate safety Kurtis Drummond.

On May 4, 2017, Bullough was suspended for the first four games of the 2017 season for violating the NFL policy on performance-enhancing substances.

[14] In 2020, Bullough joined the Alabama Crimson Tide football staff as a graduate assistant where he would win the national championship.

[17] Bullough married fiancé Bailee in Traverse City on July 2, 2016;[18] they had been engaged since Christmas Eve in 2015.