Additionally Burrell anchored the U.S. 4 × 100 m relay team to gold at the inaugural Athletics World Cup in 2018.

He also formed a close friendship with his rival from Morton Ranch High School, Elijah Hall.

[citation needed] Burrell returned to competition in 2016, and finished 2nd in the NCAA 60m final,[12] setting a school record at 6.48.

[14] Burrell once again finished 2nd at the NCAA 60m final, this time to Christian Coleman of Tennessee, who equaled the collegiate record of 6.45.

Burrell dedicated his win to his teammate Brian Barraza, who fell after leading in the steeplechase and finished in 10th.

[17] He competed at the inaugural Athletics World Cup in London, England, anchoring the US' 4 × 100 m team to victory in 38.42 seconds.

[20] After their seasons ended, Burrell and Elijah Hall turned professional and signed with Nike and Red Bull.