Rory McIlroy, of Northern Ireland, hugs his caddie, tennis player Caroline Wozniacki, during the par-3 competition before the Masters golf tournament in Augusta, Ga. One of the top power couples in sports announced their engagement on Twitter. A spokesman for McIlroy confirmed that he popped the question in Sydney, where Wozniacki is starting to prepare for the Australian Open in Melbourne. McIlroy tweeted, "Happy New Year everyone! I have a feeling it's going to be a great year!! My first victory of 2014." He added a hash tag, "She said yes!!". [Photo/IC]