Rolison represents again as Cubs' winning streak reaches seven

Ryan Rolison doesn’t have his own entrance music, like Daddy Yankee’s “Gasolina,” which heralded Cubs closer Danny Palencia’s walk to the mound Tuesday night at Wrigley Field for the first time since April 12.Music? Until three weeks ago, Rolison didn’t even have a roof over his head in Chicago. He was pitching at Triple-A Iowa after the White Sox claimed him off waivers in January.But it was Rolison, not Palencia, who struck out two in a scoreless 10th inning Tuesday before the Cubs won their s...