Purdue will hire Illinois defensive analyst Grant O'Brien as secondary coach
Ryan Walters’ maiden Purdue staff is set to import another coach with Illinois ties: Grant O’Brien, whose Twitter profile says he’s the secondary coach for Purdue.
O’Brien was a defensive analyst for the Fighting Illini the last two seasons for Walters. Prior to that, O’Brien was a defensive quality control analyst at Missouri for three seasons under Walters.
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O’Brien is the third known hire for Walters, joining offensive coordinator Graham Harrell (West Virginia offensive coordinator) and defensive coordinator Kevin Kane (Illinois associate head coach/OLB coach).
O’Brien arrived to Missouri after working at Florida International (2017), Arizona Christian (2015-16) and Northern Arizona (2013-14). He played at Northern Arizona as a defensive back and on special teams.

























