Bielsa, who managed his native Argentina from 1998 to 2004, was speaking at Legia Warsaw's Stadion Wojska Polskiego where he gave a seminar on the Poland team.
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The 67-year-old, who is currently linked with the Bournemouth job, was speaking at a seminar in which he showed his obsessive football knowledge.
Bielsa is well-known for analysing games in excessive detail, recently auditioning for a return to Athletic Bilbao by watching all 380 LaLiga games from last season.
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And in this lecture, he talked through Poland's last 50, with the team's coach, Czeslaw Michniewicz in attendance.
Michniewicz's team have been drawn in World Cup group C in Qatar, where they will face Mexico, Saudi Arabia, and, intriguingly, Argentina.
Detailing the nations players, the only disappointment Bielsa would have had is that his former Leeds star Mateusz Klich didn't make the squad.
A cult hero in Yorkshire for his four years with Leeds, fans still sing out Bielsa's name during matches after helping them return to the Premier League for the first time since 2004.
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In February he departed Elland Road and England due to a poor run of results, but could soon return.
talkSPORT understands that Bournemouth have made Bielsa their sole target if they opt against giving caretaker manager Gary O'Neil the job full-time.
Leeds' hierarchy have plenty of time to make a decision with a month's break for the World Cup, but O'Neil has done his best to give himself a strong chance.
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Ending their pre-Qatar season with back-to-back 4-1 and 3-0 wins over Everton in the Carabao Cup and Premier League, O'Neil has the Cherries out of the relegation zone after a poor start under Scott Parker.