Blake Corum, a four-star RB out of St. Frances HS in Baltimore, shared this workout video. As you can see Corum is sporting a Michigan shirt:
So who trains at C4? @blake_corum @theicedupshawn are just a couple of Dawgs! pic.twitter.com/sz3r0gGmve
— C4 Explosive Sports Training LLC (@c4_training) May 4, 2019
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