As a junior, he had 203 tackles, 6 sacks and helped his team win the conference championship.
As a senior, he made 153 tackles, 2 sacks, contributing to his team winning back-to-back conference championships.
As a junior, he started 12 games at strongside linebacker, registering 80 tackles (second on the team), 4.5 tackles for loss, 3 interceptions (tied for the team lead), 2 passes defensed, one sack and one defensive touchdown.
Against the University of Michigan, he had 4 tackles (1 for loss) and 2 interceptions, including one returned for a touchdown.
March-Lillard was signed as an undrafted free agent by the Kansas City Chiefs after the 2015 NFL draft.
[3] In 2016, he started the first 5 games at the right inside linebacker position next to Pro Bowl player Derrick Johnson, while collecting 22 tackles (one for loss) and 2 pass defensed.
On October 18, he was placed on the injured reserve list with a broken hand that he suffered in Week 5 against the Oakland Raiders.
[10] On October 11, 2017, March-Lillard signed with the Dallas Cowboys as a free agent, his fourth team in nearly a month.
He had 8 tackles and 2 passes defensed in the fourteenth game against the Los Angeles Rams.
[16] He was placed on the reserve/COVID-19 list by the team on January 2, 2021,[17] and moved back to injured reserve on February 1.
[22] On December 27, 2021, March was signed to the New Orleans Saints practice squad, but was released the next day.