The Lilywhites are preparing to make the trip to Stamford Bridge on Sunday afternoon in what is set to be a crunch top-four showdown between the two sides in west London.
Spurs are currently five points ahead of Chelsea FC in the table and the Blues know that victory against Mauricio Pochettino’s men would lift them to within two points of the north London side.
Chelsea FC are fifth in the table as they bid to try and break back into the top four before the end of the season.
Lucas has been settling into life at Tottenham after having signed for the Lilywhites from Paris Saint-Germain in the January transfer window.
And the midfielder has warned his team-mates about the threats posed by two of his fellow countrymen ahead of their showdown with Chelsea FC this weekend.
Speaking to Spurs’ website, Lucas said: “Of course I know all about players like Willian – at this moment he is so good – and David Luiz also, who was my team-mate at PSG.
“They are my friends and I will be happy to see them.”
Chelsea FC won the Premier League title in style last season, but they did not have the distraction of any European football.
The Blues will take on Southampton in the FA Cup semi-finals at Wembley next month.
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