The Manchester City defender attended Leeds' 3-2 win against Millwall on Tuesday, for which Phillips was suspended.
And that gave the pair a chance to get acquainted.
Posting on Instagram afterwards, Phillips wrote: "Tried convincing @benmendy23 to sign for us! Ill keep working on it!"
Mendy - who was also seen with the new Leeds recruit, and his fellow Frenchman, Jean-Kevin Augustin - played for Marcelo Bielsa's Marseille side and remains an admirer of the Whites head coach.
After a year at Monaco, the 25-year-old made a £52 million move to Manchester City [Transfermarkt].
But replying to Phillips' message, another of Leeds' January additions - and Mendy's former City teammate - Ian Carlos Poveda claimed that the left-back 'will come for sure next season', nonetheless.
Leeds players Kalvin Phillips and Ian Poveda - jokingly - discuss the signing of Benjamin Mendy, who was at Elland Road on Tuesday. Mendy, of Manchester City, played for Marcelo Bielsa's Marseille side. #lufc pic.twitter.com/SDn0CphEXE— Footballer Instagram Stories (@BallerStories) January 29, 2020
Leeds recovered from going 2-0 down to win 3-2 against Millwall, a result which sent them back to the Championship's summit and another step closer to joining Manchester City at Premier League level.
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