SCOTTSDALE, Ariz. -- Matt Cain said there's no need forwidespread panic over his inflamed right elbow, which forced him toskip his start Thursday afternoon. As distressing as the injury to Cain might be, a speck of goodmight be coming out of it. Ryan Vogelsong not only replaced Cainably but also dominated over three hitless innings, and thenonroster right-hander has emerged as a legitimate candidate tomake the staff as a long reliever or -- should the need arise -- asa rotation replacement. The 33-year-old already feels validated this spring while hewears a Giants uniform for the first time innearly 10 years. In July 2001, the club sent Vogelsong to thePittsburgh Pirates along with outfielder Armando Rios for aceright-hander Jason Schmidt -- a deal that still ranks among GMBrian Sabean