Okay, first note: yay for all the San Diego fans in here
Baseball:
San Diego Padres
Seattle Mariners
Chicago Cubs (only when they're not playing the Pads)
Anyone beating the Giants
Football:
San Diego Chargers
Miami Dolphins
Chicago Bears
Anyone playing against the Raiders and beating them
Basketball:
Sacramento Kings!!!!
Chicago Bulls
Valparaiso Crusaders
All Olympics!!!