SAN DIEGO — Ho-hum. Wednesday brings another Super Bowl-victory celebration to Kansas City. Andy Reid, Patrick Mahomes and friends will raise their third Lombardi Trophy in five years and revel with Chiefs fans in the wake of Sunday’s 25-22 overtime victory over the 49ers. The giddy scene in America’s 33rd-ranked media market will accentuate a pair of underlying sports truths. The NFL’s economic system truly does afford teams in the small markets a comparable chance to their big-market rivals at sustained, top-end success. For Major League Baseball’s little guys, however, it seems the best the…