The 25-year-old has been unavailable since being substituted during the Capital One Cup victory over Liverpool at Anfield with a dead leg.
However, the Spaniard is nearing a full recovery and revealed that he will return to training before the clash with Alan Pardew's side, telling reporters: "I'm still feeling a bit of pain but it has improved a lot.
"I am hoping to return to full training on Thursday to see how it reacts.
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"I thought I would recover after three or four days, but it just got worse and has dragged on."
With Garry Monk impressing for the Swans as his replacement, the former Genoa man is not certain to return to the starting line-up straight away.
And the centre-back expressed his frustration at the disruption to his season but remains confident that he will be back playing before long.
"It was particularly disappointing because I thought I was at a good level after coming back from suspension," he added. "I was feeling comfortable on the pitch and with the team.
"The injury is a blow, but I hope to be fit and performing well again soon, hopefully at Newcastle on Saturday."