It seems Hargreaves was also on a pay as you play contract with Man City as was Michael Owen with Man Utd.
https://www.bbc.co.uk/sport/football/18164812
https://www.google.com/amp/s/www.mirror.co.uk/news/uk-news/michael-owens-pay-as-you-play-deal-is-nice-657627.amp
John Terry at Chelsea..... but that was with a "basic" salary of £150,000 per week.
https://www.telegraph.co.uk/sport/football/teams/chelsea/10828983/John-Terry-earns-new-one-year-Chelsea-pay-as-you-play-deal.html