The transfer window is upon us and there are plenty of big-name players who are being linked with moves. But how much would they cost?

The CIES Football Observatory research team has developed a unique approach to estimate the transfer value of players. In June they revealed Neymar (€210.7 million) was the world's most expensive player.

So what would it cost to sign Antoine Griezmann and Jan Oblak this summer? For their value, according to CIES, click here.

If you've ever wanted to play like Antoine Griezmann and Thierry Henry rolled into one, then Puma's latest football boot may just be the one for you.

The sportswear company have worked in close conjunction with both aforementioned France stars to produce the 'ONE' boot -- a single boot created to meet the needs of all types of players, from goalkeepers to strikers and everything in between.

Fit. Fast. Feel. Together as ONE. #PUMAOne pic.twitter.com/mtKdjsPLiK

- PUMA Football (@pumafootball) June...

The football world is awash with gossip! Transfer Talk is monitoring the whispers ahead of all the summer moves. Check out the latest deals and potential deals here.

TOP STORY: Costa to sit out six months to secure Atleti move

Diego Costa is prepared to miss six months of football to secure a move to Atletico Madrid from Chelsea despite their transfer ban, according to Marca.

The Spain forward has revealed how Antonio Conte informed him he was not needed next season at Stamford Bridge,...

Atletico Madrid needed a good news story in light of their transfer ban being upheld and Antoine Griezmann has given them it. Their star striker has put pen to paper on a new, extended bumper contract that keeps him tied to the club -- in theory, at least -- to 2022. 

Atleti supporters are delighted, while rival fans will be cursing the news. But is it all as it seems? Will he really stay for another five years? ESPNFC explores the Frenchman's new deal...

1.) Come what may...

A junior Spanish club have offered wantaway Chelsea striker Diego Costa and his former club Atletico Madrid a potentially useful exit from their current awkward situation.

Costa made clear this week that his relationship with Chelsea manager Antonio Conte has broken down completely, however his preferred return to former side Atletico is complicated as they can't register any new players until January 2018 due to a FIFA transfer ban, and the Spain international needs regular football through 2017-18...

Antoine Griezmann has staunchly refused to follow Cristiano Ronaldo's lead and shave his hair off after the Real Madrid superstar unveiled a daring new close-cropped look in the aftermath of the Champions League final.

Asked whether he'd ever do likewise in an interview with El Pais fashion magazine "Icon," Griezmann was steadfast in his response.

"No, no. Impossible. I would prefer not to. I don't care even if it is a Champions League final. Someone else can score the goal. But bald, no," replied...