Saudi Arabia is ready to submit a world-record bid to secure Vinicius Junior’s signature this summer, according to El Chiringuito TV. The Brazilian is being chased by clubs from the Middle East this summer. While Real Madrid are insisting that the winger is not for sale, their resolve could be tested in the final days of the transfer window. Saudi Arabia’s Public Investment Fund, PIF, are apparently willing to offer as huge as €500m for the the player this summer. Should the deal materialize, it will surpass the €222m PSG paid Barcelona for Neymar in 2017. Vinicius will also be offered a five-…