Trade? High $ league need advice

Been offered trade in a deep high $ league. Portis for Celek. My backup TE is Keller, who I like. My starting RB2 is Jacobs, who I feel unsure on. How bad is Portis hurt? If he has upside I think I should make the trade, rely on Keller at TE and not take too huge a hit if Portis is hurt. Anyon know how serious Portis injury is??

The Main issue that I would have with Portis is the fact that he will be sharing carries with Larry Johnson and Probably a 3rd guy.

Right now he has a sprained ankle.

Even if he is 100% healthy at the start of the season, he is still an injury prone player that you will have to keep constant tabs on.

I agree Crowkillers - Portis is just too injury prone - I literally dropped him last year - not trade - dropped his worthless arse.

Celek is a high-end tight end.

I think Jacobs  and Portis will put up similar numbers with Jacobs edging him out anyway. Clearly I am against this one.

Thanks for the advice guys....I rejected the trade, as I agree Portis is a health risk. I just hope Jacobs doesnt struggle too much. Its a 14 team league and 18 deep rosters, Kevin Faulk is the best RB left on free agents. I grabbed Rashard Jennings in round 16 incase MJD's knee really is messed up, and I grabbed Mcgahee earlier in case Rice gets banged up, or even if not hopefully he steals some TDs and I can try to makeup for Jacobs struggles. Hopefully Jacobs proves doubters wrong and has a big year, if he does my team should be really strong with Eli, Marshall, Colston, Garcon, Gore, Jacobs, Celek, Succup, and Philly and AZ defenses and also have Heyward Bey and Mike Williams on my bench (currently my flex player as of week 1)