Mauldin was born in Sacramento, California on October 1, 1992. He spent most of his childhood with 16 different foster parents as both of his parents were in jail. Mauldin attended Maynard H. Jackson High School in Atlanta, Georgia, where he played football and basketball and competed in track. In high school football, Mauldin was named to Class AA All-State Team. In track & field, Mauldin competed in events ranging from the high jump to the discus throw. At the 2010 Whitefield Meet, he took fourth in the discus throw and second in the shot put. Regarded as a three-star prospect by Rivals.com, Mauldin was rated as the 82nd-best player in Georgia. He was rated as the 67th-best defensive end by ESPN.com, and the 133rd-best defensive end by Scout.com. He chose Louisville over Kentucky, Middle Tennessee, South Alabama, Troy and South Carolina, where he originally committed.
College career
As a true freshman at the University of Louisville in 2011, Mauldin played in all 12 of the Cardinals games and recorded six tackles. As a sophomore in 2012, Mauldin started six of 11 games, recording 22 tackles and a team-leading 4.5 sacks. In August 2013, prior to his junior season, Mauldin was involved in a hit and runmoped accident. He recovered and started all 13 games that season. He finished the year with 40 tackles and 9.5 sacks. Prior to his senior season in 2014, Mauldin was moved from defensive end to linebacker.
Professional career
Mauldin was selected by the New York Jets in the third round of the 2015 NFL Draft. He signed a four-year, $3 million contract on May 7, 2015. Mauldin played his first regular season game on September 13, 2015 against the Cleveland Browns, where he forced a fumble off Johnny Manziel. However, after forcing the fumble, he suffered an apparent neck injury, was rendered unconscious for a few minutes, carted off the field, and taken to a local hospital. After undergoing tests, he was diagnosed with only a concussion and luckily, no serious neck injury. During his rookie season in 2015, Mauldin played 15 games making 10 tackles, 4 sacks, and a fumble recovery. On September 4, 2017, Mauldin was placed on injured reserve after dealing with a back injury throughout training camp. On September 1, 2018, Mauldin was released by the Jets.
Personal life
On June 11, 2017, it was revealed that Mauldin attacked another customer at a Manhattan nightclub two months prior to the announcement. The battle started when the customer spilled champagne on Mauldin, triggering his attack. The victim was punched twice, left with a black eye, and hospitalized. On June 21, 2017, Mauldin turned himself in to police, and was charged with misdemeanor assault.