If zone-blocking Centers at the college level are rare, then maybe Miami shouldn't be running a zone-blocking scheme. I say this because Miami's o-line problems basically started when Philbin came and wanted zone-blocking. While Sparano (RIP) didn't have a great o-line, it was usually decent, with the exception of a few turnstiles at RT in his last few seasons. Sparano's o-lines usually fared well against the tough, physical d-lines of the Jets and Bills, with Miami winning most of those games.
Then came Philbin with his fancy zone-blocking, and all of a sudden Miami's o-line was physically dominated by those tough Jets and Bills d-lines, with Miami losing more of those games. What's significant here is that Philbin still had Sparano's interior o-line in 2012 and 2013 (LG Incognito, C Pouncy, and RG Jerry). On one hand, this shows that either Philbin's zone-blocking schemes were ineffective, or that those o-linemen weren't very good at it. On the other hand, when Philbin finally replaced those three with his own guys, nothing changed. Miami's o-line was still pushed around and physically dominated by tough, physical d-lines, and that has continued to this day.
So, IMO, Miami needs to go back to having an old-school, smashmouth o-line. I did just read that most teams use some zone-blocking, with some teams more than others. If so, then I'd prefer a tough, physical o-line that can do the occasional zone-blocking rather than a "finesse" zone-blocking o-line that can't play smashmouth when necessary.