I could be wrong, but I am not high on Arnold, and IMO a better fit for a Herman offense than Sark's. Reminds me a lot of Ehlinger honestly. Also if we would have offered and recruited early he would have been a longhorn, but we are in the Arch sweepstakes, but he committed early to OU for that reason.
I am also not super high on Arch either and would not be surprised if he has to wait his turn behind Maalik or transfers out after his RS freshman season when he doesn't win the job. His impact is more for recruiting purposes and possibly changing how the program is viewed nationally.