BOSTON -- New York Yankees right fielder Gary Sheffield got into a brief scuffle with a fan at Fenway Park during Thursday night's game against the Boston Red Sox. Sheffield was fielding Jason Varitek's two-run triple along the right-field fence in the eighth inning when a fan swung a short uppercut in his direction, appearing to graze the side of the slugger's face with his right arm. After Sheffield picked up the ball, he shoved the fan before throwing the ball back into the infield. Then he whirled around with a cocked fist, but restrained himself and began shouting in...