The Argentine midfielder is said to want a fresh challenge after Chelsea's difficult season ended without European football.
*The Argentine midfielder has told Chelsea he wants to leave, but the club will demand well over £100m for his signature.*
*United are on the verge of their first summer signing, with a deal for the Brazil international midfielder nearing completion.*
*The former midfielder takes permanent charge after guiding the club to third place and Champions League qualification.*
*A bad-tempered London derby ends 2-1, leaving Tottenham and West Ham both facing the drop on the final day.*
