Seriously, give me a possession receiver every time. If I know a guy will get open, and be on the spot he's suppose to be, and catch the ball 95% of time, give me that guy.
I know many Saints fans have lamented how we don't have a receiver that scares anyone, but what's scarier to an opposing team to have a bunch of guys that do nothing but pick up first downs and move down the field?
You need a mix. The possession guys tend to do better if the defense is stretched.
In addition, the WR position will take up more roster spots than it provides guys actually targeted- the Saints are expected to keep 5-6 WRs. In reality, if we split out 5 receivers, we're still gonna see a TE (Graham) and a RB (Sproles) on the field, so that leaves only 3 actual WRs (Colston, Moore, Stills/Toon). That's because the odd man out of the Stills/Toon choice won't give us the advantages Graham (size) and Sproles (quickness) give us.
Given that, if we're talking the last couple slots at WR (guys who rarely play on offense), give me athletes who can contribute in other areas. A guy like Roby who is a special teams ace; or like Hakim who WILL beat any deep coverage (he just might not catch it). If Hakim can play well on ST, I think he's a lock.
I'm posting this long opinion in reference to players like Tanner- sure, he's got good hands. He'll never play on offense here, so let him go and keep a gunner or returner, or a speed-burner.