Jose Mourinho is not on best terms with Arsenal after his personal attack on Arsene Wenger this season just gone, and wants to do them no favours however slight.
As part of the deal which saw Arsenal sell Cesc Fabregas to Barcelona in 2011, a clause exists enabling Arsenal to 50 per cent of any profit the Spaniards make on a future transfer of the player.
The Telegraph report that the total fee has now risen to £28 million including activated add-ons, and the Chelsea boss is undertaking his efforts to sign Fabregas accordingly.
The paper state that Mourinho does not want Arsenal to get a single penny from their deal, and wants to buy the midfielder for below that price, specifically £27 million.
"Chelsea are trying to structure a deal to sign Cesc Fabregas that would lead to Arsenal missing out on any payment for their former midfielder.
"The issue is not a deal-breaker and there is hope that progress could be made on a deal this week. But it once again highlights the fact that Chelsea view FA Cup winners Arsenal as direct rivals."
Arsenal have not moved to re-sign Fabregas despite apparently having first option to do so, but losing out on him to Chelsea would be regarded as a big mistake by several fans of the club, despite the very strong midfield options the Gunners already have.
Jose Mourinho clearly sees the opportunity from a sporting perspective and the rivalry one won't be lost on him as he bids to bounce back from a trophyless return to England.
Deliberately moving to ensure Arsenal do not get a penny in the process of snapping up their former hero is simply rubbing the deal in their faces, although by now Mourinho has given up trying to win any popularity contests in North London, simply revelling in his role of antagonist instead.