Manchester United continued their unbeaten start to life under new boss Louis van Gaal, beating Inter 5-3 on penalties.
Gareth Bale scored a stunning goal but Real Madrid were beaten on penalties by Inter Milan after a 1-1 draw.
Cardiff have warned Inter Milan that they will not allow Gary Medel to join the Serie A club for a knock-down fee.
Former Inter Milan, Roma and Real Madrid defender Walter Samuel has signed a one-year contract with Basel.
Zenit St Petersburg full-back Domenico Criscito has played down speculation linking him with a return to Serie A.
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