Nate McLouth remains in the leadoff spot tonight for the Orioles. Wilson Betemit is serving as the designated hitter. For the Orioles: Nate McLouth LF J.J. Hardy SS Adam Jones CF Matt Wieters C Wilson Betemit DH Mark Reynolds 1B Chris Davis RF Manny Machado 3B Robert Andino 2B Miguel Gonzalez RHP Only two Orioles have faced Rays right-hander Alex Cobb. Omar Quintanilla is 1-for-3 and Endy Chavez is 0-for-3. Manager Buck Showalter, interviewed for Buck's Blog on MASNsports.com, confirmed that Wei-Yin Chen will start Thursday against the Rays. Chris Tillman will likely make a start in Oakland. Also, Jason Hammel will undergo an MRI on his right knee Thursday morning after leaving last night's game in the fourth inning.