This is Curtis Bolton, a UDFA ILB from Oklahoma, now signed by the Packers:
https://www.nfl.com/prospects/curtis-bolton?id=3219424f-4c61-9634-3ce3-b2d91b2ff885
Based on that, I would say we should have grabbed him over Summers and let him be the UDFA. Both have injury histories, and even though it's still the Big 12 I like the production better, he had in the CFB Playoff against Bama 9 tackles, 4 solo, and half a sack. Also had 23 tackles, 9 solo, and a sack in 2 games against Texas, to include the Big 12 Championship.
Granted Summers has a lot more production in general, TCU just doesn't have the same quality of schedule as Oklahoma who consistently is always pushing for a National Title. To me that matters, I'll take less production against better quality opponents then a "world beater" at a lower level. Neither has elite traits across the board per say to trump the other.
Regardless, I expect one to "stick" as we are still thin at ILB.