No, Pettis will never be the next coming of Dez Bryant. We get it. But somehow you thick-skulled muckrackers can't understand:
1) He runs his routes well, has great hands, blocks well and moves the chains on 3rd down. These are Brian Schottenheimer staples. Schotty needs at least one of his receivers (preferably more) to have the ability to do all four. Last year, Pettis was the ONLY WR on the Rams that could all four. Try throwing a timing pattern when your intended receiver can't run a precise route with precise timing (or if your receiver is easily jammed at the line of scrimmage).
2) As long as Schottenheimer is the OC, he WILL have at least one receiver (preferably more) on the roster who can do all four. Bailey has the potential, but he's suspended for the first quarter of the season and that's certainly going to slow down his development. TJ Moe--maybe, but he's still an unknown. Brian Quick--still a roll of the dice--needs consistency.
3) Until either Quick, Bailey or Moe have proven they can do all four Schottenheimer staples with consistency, expect Pettis to be standing on the sidelines and coming into the huddle in key situations. Regarding Quick and Moe (and to a lesser extent, Bailey), this preseason will be a huge factor in determining Pettis' ability to stay on the roster.
4) Obviously, Fisher was much more concerned about his defensive backfield than WRs (including Pettis) because he spent four draft picks shoring it up and zero on WRs on a draft class deep in WRs. If Pettis were such a liability, don't you think the Rams would have loaded up on a few Pettis-like receivers in the draft?
5) Why does everyone understand that Cory Harkey has a special role on this team that Jared Cook can't fill, but have a hard time understanding that Pettis is in the same situation at WR?
It amazes me how people get sucked into athleticism and speed when there really are several other factors that are equally important that can make or break a receiver. If speed and athleticism were the only factors, the HOF would only have 6'2+ receivers who run sub-4.45 40's and have 39"+ vertical leaps.