Derrick Rodell Shelby II was born on March 4, 1989 in Houston, TX and went to Hightower High in Missouri City, TX. As a redshirt freshman at Utah, he started 10 of 12 games at both defensive tackle and defensive end. He finished the year with 31 tackles, 3.5 tackles for loss, one sack, two pass breakups, one forced fumble and one fumble recovery. He moved to left defensive end as a sophomore, starting all 10 games he played in. He finished the year with 44 tackles, eight for loss, three sacks and one forced fumble. As a junior he started seven of 12 games at left defensive end, recording 39 tackles, 6.5 tackles for loss, two sacks, three passes defended and three forced fumbles. As a senior he started all 13 games at right defensive end and finished with 55 tackles, 10 for loss, five sacks, one interception for 21 yards and a touchdown, seven passes broken up and one fumble recovery. He earned Academic All-Mountain West his first three years and then Academic All-Pac-12 as a senior. He was also named first-team All-Pac-12 as a senior. He was originally signed as an undrafted free agent by the Miami Dolphins after the 2012 NFL Draft.
Signed by Miami Dolphins on May 4, 2012 ... Suspended by Dolphins for one game on October 6, 2014 ... Re-signed by Dolphins on March 26, 2015 ... Signed by Atlanta Falcons on March 10, 2016 ... Placed on injured reserve by Falcons with a torn Achilles tendon on October 18, 2016.
Signed by Atlanta Falcons to a four-year contract worth $18 million with $7.5 million guaranteed. That guaranteed portion includes his $5 million signing bonus, his 2016 base salary and half his 2017 base salary. $1.5 million of his 2017 base salary is guaranteed for injury at signing, but becomes fully guaranteed in March 2017. His base salaries are: $1 million (2016); $3 million (2017) and $4.5 million (2018 and 2019). His cap hits are: $2.25 million (2016); $4.25 million (2017) and $5.75 million (2018 and 2019).