The Serbia international has enjoyed a stellar three-and-a-half year stint since returning to Stamford Bridge from Benfica.
He played a key role as Chelsea secured a second league title in three seasons last month, as well as helping them into the FA Cup final.
Matic"s future is uncertain though as Antonio Conte looks to overhaul his squad ahead of September"s return to Champions League action.
And reports in Italy suggest he could be offered a way out of Chelsea by Serie A champions Juventus.
Calcio Mercato claim Massimiliano Allegri has his eye on Matic in the wake of Saturday"s defeat to Real Madrid.
That 4-1 loss at the Millennium Stadium exposed the one area of weakness in the Juventus gaffer"s squad; midfield.
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And he is apparently keen on recruiting Matic as he looks to win Europe"s elite club competition after two near misses.
However, Juventus will not be alone in pursuing the 28-year-old services when the transfer window reopens.
Calcio Mercato claim Manchester United want Matic as they plot their own summer spending spree.
Jose Mourinho, currently in charge at Old Trafford, brought Matic back to England from Portugal in 2014.
