Seles backs Serena Williams to be a grand slam contender in 2018 Unknown 01:40 Despite over a year away from tennis, Monica Seles has backed Serena Williams to vie for more grand slam titles in 2018. Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsAt 79, Pitcairn becomes oldest athlete to debut at gamesLEADING OFF: Cubs play home opener against PiratesNo one laughing at Patrick Reed now after Masters winFowler, Spieth make Reed earn his 1st major championshipMets, not Yankees, off to sparkling start in New YorkD'Antoni, Harden and Paul poised to capture trio's 1st title