All the latest shirt sponsor changes and agreements for the 2017-18 season

While the European football season may be winding down, "sponsorship season" is only just beginning. With many contractual agreements set to an expiration date of June 30^th of each year, the summer months of the calendar - in addition to being the main player transfer window - also serves as a chance for football clubs to reorganise and optimise their sponsorship portfolios.

Notably, for the 2017-18 season, clubs in the Bundesliga and the Premier League will be able to exploit and commercialise their shirt sleeve space (one sleeve only). The DFL had previously marketed this space on a collective contract on behalf of the clubs; the German logistics services company Hermes paid an annual amount estimated at €8m to display its logo on the left sleeve of the shirts of the 36 German clubs in the top two divisions. The Hermes contract ended at the conclusion of the 2016-17 season.

The Premier League has authorised the commercialisation of the shirt sleeve space - previously, the league's logo was present - for the first time. The Premier League logo will remain present one of the sleeves…