Gaines Adams has been an IDP tease for 3 years now.  We are all still waiting for him to have his breakout campaign.  He has been a huge disappointment up to this point, however in an IDP dynasty league I would roster him over Denney.  Adams has a potentially higher ceiling then Denney ever should. 

However, if this is a re-draft league I would avoid Adams completely…let him be somebody else's headache. 

In either case I would not be counting on Adams for serious contributions in the near-term….if you need a startable DL week to week you should be looking elsewhere..Adams is nothing more than high-ceiling bench fodder right now IMO.