The Baltimore Orioles had just completed a spirited comeback, and all that remained was for unfailing closer Zach Britton to seal the victory. Tampa Bay's Mike Mahtook was cut down at the plate trying to score from first base with two outs, and Baltimore topped the Rays 5-4 Friday night to stay in the middle of the AL playoff picture. ''It was the most exciting game that I've played this year,'' rookie Hyun Soo Kim said, ''and I expect that there's more coming. More...