Swiss tennis star Roger Federer has named his eighth Wimbledon trophy as 'Arthur', revealing it through a Twitter post. Federer later asked his Twitter followers if they knew why he had named it Arthur. "He's named after Arthur Gore, who won @wimbledon in (19)0(8)!" the 35-year-old tweeted. Federer won his 8th Wimbledon and his 19th Grand Slam two weeks ago.