Less than twelve months after the Swans beat off competition from the monkey hangers for the signature of Duffy there are rumours that his time at Swansea could be a short one with Roberto dropping hints that the striker could be surplus to requirements as the Swans head into the Championship.
And the Evening Post suggest that the striker could be on the way for as little as £100,000 with Paul Trollope ready to turn to Duffy as he looks to make his promise of new firepower.
"There has been some interest in Darryl from a couple of teams in League One and we are going to study all the options," Martinez said.
"Sometimes it's important you realise that for the benefit of the player and Swansea City, you need a new challenge.
"But nothing is going to be done or settled until we have got a clear situation on the table, and there's nothing concrete at the moment."
"We all know Darryl's a goalscorer, but probably the pattern we've played didn't go in his favour," Martinez added.
"We've been delighted with his attitude, but playing alongside Lee Trundle got the best out of him and since he left it's been hard for Darryl to be himself."