Chicago White Sox at Tampa Bay Rays

From start to finish, the Rays had dominant pitching in a 1-0 win against the White Sox on Saturday in a battle of American League division leaders at Tropicana Field. For the fourth time in the past seven games, the Rays produced a shutout. The headliner was right-hander Drew Rasmussen (10-5), who allowed four hits with one walk and 10 strikeouts, including striking out the side in his final inning. He faced only one trouble spot, the fifth, when the White Sox got runners to second and third, their only occasion all game with runners in scoring position. But Rasmussen coaxed leadoff batter Sam Antonacci into an inning-ending lineout to right field. Three Rays relievers preserved the gem into the ninth inning, where closer Bryan Baker finished the White Sox off, earning his MLB-leading 31st save. “We know how to pitch when the game's on the line because when you're winning 1-0, I mean every pitch is on the line,’’ Rays manager Kevin Cash said. “One swing can change that. Our guys have really stepped up.’’ In the ninth, Baker had a couple of scary moments. Miguel Vargas took Baker’s first pitch to the left-field warning track. The final batter, Randal Grichuk, flirted with the Trop’s short fence in left before it hooked wide of the foul pole. Then Baker struck out Grichuk -- the White Sox’s 16th strikeout overall -- to convert his 20th consecutive save opportunity with a six-pitch ninth. When Baker enters the game -- to dimming lights, camera-phone lights everywhere and blaring music -- it’s a show. And it’s punctuated by his boisterous, flexing reaction -- “Viking-esque,’’ center fielder Jonny DeLuca called it – that has become a ninth-inning staple. “We refer to \[Baker\