Tommy Martin: On a planet far, far away Messi's move was an amazing day for football

This is a summer of fire sales and belt-tightening, bargain buys and free transfers. Exceptions to the general frugality are those like PSG, Man City, and Chelsea, financed by fossil fuel billions, or Man United, financed by car tyres, noodles, and dreams

PSG's Qatari president Nasser Al-Khelaifi (L) and sporting director Leonardo Nascimento de Araujo (R) pose alongside Lionel Messi as he holds up his number 30 shirt. (Photo by Stephane De Sakutin/AFP via Getty Images)

PSG sign Lionel Messi the same week humanity was issued with a ‘Code Red’ on climate change.

Seriously, future historians, this stuff writes itself.