The Portuguese coach won three Premier League titles over two separate stints with the Blues
Tottenham manager Jose Mourinho has claimed he was under more pressure during his time in charge at Chelsea than current Blues boss Frank Lampard.
Mourinho won three Premier League titles with Chelsea over two separate stints, with Lampard one of his most important players at Stamford Bridge.
Lampard has now returned to the Blues as manager, leading them to a fourth-place finish last season in his first campaign in charge.
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The pair are set to renew pleasantries on Sunday in a major Premier League showdown, with Tottenham entering the match in first place and Chelsea in third.