Europa League: head-to-head West Ham United - Olympique Lyonnais (quarter-final 1^st leg, 07/04/2022)

With a turnover of €221.5m in 2020-21, West Ham United FC (Premier League) were ranked 16^th in the 2022 edition of the "Deloitte Football Money League", a ranking from which Olympique Lyonnais (Ligue 1 Uber Eats) is absent (2020-21 turnover: €118.2m), as the two clubs prepare to face each other in the first leg of their 2021-22 Europa League quarter-final at the London Stadium (London, ENG) on Thursday 07/04/2022 (kick-off at 21:00 CET).

The English club's squad is valued at €349m, five times more than their French rivals, according to Transfermarkt on 07/04/2022. West Ham have spent €302m on their 2021-22 squad, compared to €207m for Lyon, according to a study by the CIES Football Observatory, published on 06/09/2021 (which does not take into account subsequent transfers).

In terms of transfers, Olympique Lyonnais has generated €686m in revenue over the last ten years (from the 2012 summer transfer market to the 2021 summer transfer market), 2.3 times more than West Ham.

In terms of attendance, the average number of spectators at the London Stadium (60,000 capacity) since the start…