Clark Homers 3 Times in Yankees' Rout TORONTO - Tony Clark homered three times for the first time in his career, Ruben Sierra hit a grand slam for his 300th homer, and Gary Sheffield and Alex Rodriguez also connected to lead the New York Yankees over the Toronto Blue Jays 18-6 on Saturday.    New York, which overcame a 4-0 deficit for the second time in the series, had nine runs and 10 hits in the ninth inning, both season highs...