By John Brice A week into the job as Columbia’s new head coach, Jon Poppe is finalizing a hire to head up the third phase of the Lions program. Sources tell FootballScoop that Poppe is tabbing Garrett McLaughlin as Columbia’s new special teams coordinator. Honored in 2022 as a ‘Special Teams Coach on the Rise’ by the Our Coaching Network, McLaughlin spent the past two seasons of his career on staff at New Hampshire, where he coordinated special teams for that program and also coached multiple all-conference selections at the defensive end position. McLaughlin, who started his coaching as a stu…