Shivers enters his fourth year as defensive coordinator with the Green and White in 2022 two very successful on-field seasons at the helm of the defence.  In 2021, Shivers coached A.C. Leonard to the CFL Sack Title, a position held by a member of the Roughriders defence for the past three seasons. Under his leadership in 2019, the team led the league with 56 sacks, 16 of which were from league leader Charleston Hughes. In addition, Soloman Elimimian was amongst the top three tacklers and the team was able to secure a first-place finish in the West Division.

Shivers will be entering his tenth year as a CFL coach having spent time with the Toronto Argonauts and the Edmonton Eskimos, winning a Grey Cup in 2015.

Shivers also played five seasons in the CFL with the Toronto Argonauts and the Hamilton Tiger-Cats. He played 56 career games, recording 175 defensive tackles, 22 special teams tackles and seven interceptions.