Patke has been been OLB + Strikers since 2018, and took over STs in 2019. Prior to that, from 2016 to 2018, Patke was essentially Diaz' assistant dedicated to the LBs.
So, Patke+Diaz oversaw recruitment for all linebackers in the 2016, 2017 and 2018 classes, after which presumably Patke focused...