McManis was a Canadian standout who opted out to pursue NFL opportunities.
McManis, 25, wound up going undrafted out of Memphis back in 2016. He later signed a three-year contract with the 49ers, but was waived during the preseason.
McManis was on and off of the 49ers’ roster during the 2016 season before eventually being cut loose a year later. From there, he signed on with the Calgary Stampeders and has spent the past three seasons in Canada.
During his three-year with Calgary, McManis recorded 104 tackles, four sacks, and four forced fumbles over the course of 43 games.