Bolton Wanderers defender Gary Cahill's proposed move to Chelsea could be completed in the next 24 to 48 hours according to

The 26-year-old defender and his representatives have been locked in contract negotiations with Stamford Bridge officials ever since the transfer window opened on January 1.

Chelsea agreed a fee with the Trotters last month, but the England international's expected arrival in west London has been delayed, leading to speculation that Cahill was reconsidering his options.

Blues boss Andre Villas-Boas had previously revealed that the two parties were 'miles apart' in their valuation, but talks are now progressing well with Cahill set to sign a £80,000-a-week deal.

Cahill is out of contract at the Reebok Stadium at the end of the 2011-12 campaign, and Bolton have decided to sell their star player now rather than lose him for nothing in the summer.

His arrival will boost Villas-Boas' options in central defence, providing competition for the likes of club captain John Terry, David Luiz and Branislav Ivanovic, while Brazilian defender Alex is set to leave after handing in a transfer request in December.

Meanwhile, Terry has cooled fears over his latest knee scare, after colliding with a post when making a clearance in the 4-0 FA Cup victory over Portsmouth last weekend, and is confident he will be fit for Saturday's Barclays Premier League clash with Sunderland.

"I have been struggling with the other knee but I clattered into the post with my right knee," Terry told Chelsea TV. "[But] all is fine.

"It's a little bit swollen but I am sure with the couple of days off we have, it will heal."

Do YOU want to write for GiveMeSport? Get started today by signing-up and submitting an article HERE: