DETROIT — A dropped fly, two wild pitches and a little smooch for the baseball by a relieved reliever. Then Don Kelly brought it all to an end with a simple fly ball. Kelly scored the tying run on a wild pitch in the eighth inning, then hit a bases-loaded sacrifice fly in the bottom of the ninth that lifted the Detroit Tigers over the Oakland Athletics 5-4 Sunday for a 2-0 lead in their AL playoff series. “Was looking for a fastball and I got it,” Kelly said. “It’s a great feeling. To be able to go out there …