The Tottenham Hotspur manager even posed for a photo with Beckham.
Beckham, who grew up close to Tottenham territory in Leytonstone, posted a photo of himself with the Spurs boss on Instagram afterwards.
And the former England captain wrote: "Great to spend the morning with Mauricio today... Thank you for welcoming me and showing me around the amazing training complex ... What a gentleman ... @spursofficial"
Pochettino is currently preparing his Tottenham players for next weekend's Champions League final tie against Liverpool at Atletico Madrid's Wanda Metropolitano Stadium.
And as a former Manchester United player, whose grandfather was a Spurs fan, it is likely that Beckham will be backing the Argentine's team.
Beckham and Pochettino were on opposing sides as England beat Argentine 1-0 at the 2002 World Cup.
The former scored from a penalty which the latter had conceded to Michael Owen, in Sapporo, Japan.
The pair both represented Paris Saint-Germain during their playing careers, albeit at separate times.
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