#2 Manchester United - Adidas £75m (2015-2025)
After Nike ended their relationship with United in 2014/15, Adidas swooped in and became the club's newest sponsor for the next 10 years.
The current deal sees the club earn a mammoth £750m over the span of 10 years starting from the 2015/16 season.
Nike had been paying the Red Devils £23.5m/year which is nothing compared to Adidas' new £75m/year deal.
Adidas will also be providing training kits and will have the exclusive rights to distribute deal-branded merchandising products worldwide.
#1 Barcelona - Nike £140m (2018-2028)
Nike has been Barcelona's kit supplier since 1998 and in 2016 it was announced that Nike has extended their deal with the La Liga giants until 2028.
The current deal was set to end at the of this season but the club renewed it and the new deal will start at the start of next season and will continue for a period of 10 years
Club president, Josep Maria Bartomeu had previously stated that he would like the revenues to reach €1b by 2021 and this new deal could go a long way in achieving that goal, becoming the 1st club to do so.