Philadelphia Union defender Chris Albright, top, and Chicago Fire forward Dominic Oduro (8) head the ball during the second half of an MLS soccer match, Wednesday, Oct. 3, 2012, in Bridgeview, Ill. ... more 

Philadelphia Union defender Chris Albright, top, and Chicago Fire forward Dominic Oduro (8) head the ball during the second half of an MLS soccer match, Wednesday, Oct. 3, 2012, in Bridgeview, Ill. The Union won 3-1. (AP Photo/Nam Y. Huh) less