Since we don't have a Champ Bailey or Ed Reed, it's kind of an impossible question to ask. There are differnt categories I look at for these positions.
Best tackler: Will Allen. The reason he was given a spot on this team was his ability to be left on an island and make open field tackles. He also has great speed
Best play maker: Yerimiah Bell. He is simply a ball hawk and I hope he can be our Troy Palumalu in years to come.
Best speed: Will Allen.
Best one on one cover guy: Andre Goodman. I would say Renaldo Hill but he doesn't get enough oppertunities because he is a saftie and is usually in zone.
So there are differnt variations but if we had to keep just one for the future I would go with Yerimiah Bell. He is a ball hawk and play maker. You need one of these guys to have a good secondary.