Gary Cahill has urged John Stones to join him at Chelsea this summer even though they would directly compete for a first-team place.
Jose Mourinho has openly admitted that he is trying to sign the Everton star and, this week, saw his opening bid of £20 million rejected.
There are widespread reports that Chelsea are preparing an improved offer of £28m while Mourinho has also hinted that he would be ready to go above and beyond the £30m mark to get his man.
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The very public chase is designed to unsettle Stones and pressure Roberto Martinez into parting company with the defender.
Now Cahill has done his best to make sure Stones demands an exit from Goodison Park, telling his England international team-mate that he will have to join a club like Chelsea to reach his enormous potential.
“When a top club comes calling, who you know will be firing on all fronts with competitions and medals...it's hard to turn down of course"
“In terms of ambition, if you're a young player in the game, have played in the Premier League like he did a lot last year, and a big club come calling, it's very difficult to turn down,” Cahill told the Daily Mail.
“You want to achieve the most you can in the short period you have in your career as a professional footballer.
“When a top club comes calling, who you know will be firing on all fronts with competitions and medals, that's ultimately what you want to be playing for. It's hard to turn down of course."
Cahill himself was faced with a similar situation to Stones back in 2012 when he was a star player for Bolton Wanderers and Chelsea came calling with a big offer.
With huge competition at Stamford Bridge, there was no guarantee that Cahill would get first-team football, but he has gone onto become an established England international as well as a Champions League and Premier League winner.
“But it's one you can't turn down, you have to grab it with both hands"
For the 29-year-old, his journey is proof that Stones cannot turn down the opportunity to join Chelsea now.
Cahill continued: “He will look at the club, look at the players, and look at being involved in a squad like ours. When Chelsea came calling for me, it was an opportunity, it was a chance and looking from the outset you may not be sure how it's going to go.
“But it's one you can't turn down, you have to grab it with both hands. Then you have to work as hard as you can to make it work.”
Is John Stones good enough to play for Chelsea's first-team or will he be an expensive reserve?