Lionel Messi's and Cristiano Ronaldo's struggles prove there are no guarantees in sports - ESPN

Lionel Messi and Cristiano Ronaldo were signed to be stars for PSG and Manchester United, but they have largely been anything but that.

Lionel Messi was booed by Paris Saint-Germain supporters on Sunday. A day earlier, Cristiano Ronaldo scored a hat trick for Manchester United and swapped GOAT talk with NFL icon Tom Brady in a postma… [+5210 chars]

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