Commercialism in sport, particularly football, has vastly evolved over the years with clubs increasingly putting pen to paper regarding club sponsorships and massive kit contracts.
Sport360 looks at ten clubs who have greatly profited from selling numerous units of shirts worldwide, as revealed by sportingintelligence.
The instantly-recognisable yellow and black colours of Dortmund sell for 393,000.
Sad to see Serie A make an appearance so low down the list with Juve selling 452,000 shirts.
One of the three Ligue 1 teams in the top 20, PSG have made big strides to sell an average 526,000 shirts.
Kit maker Puma took over the responsibility in 2013 and that's helped Arsenal shift 835,000 shirts.
Despite not winning a league title in 26 years, the Reds' PR machine is strong with 852,000 shirts sold.
The 2015 Premier League champions complete the top five with 899,000 shirts sold on average.
The German juggernauts won the Bundesliga four times in the period of the study, selling 1.2m shirts.
The La Liga champions are in a distant third with 1.278m shirts sold on average per year.
The white of Real is popular in the UAE and that's replicated across the globe with 1.65m sold.
The Red Devils regained their status as the number one shirt seller by shifting 1.75m jerseys per year from 2011-16.