[...] the Sharks would be well advised to take care of business Wednesday night and not let the issue drag into a Game 7. Besides the obvious — anything can happen in one game, the game will be played in St. Louis, etc. — there’s bad mojo associated with Game 6 losses: Scott Spiezio earned a spot in San Francisco infamy with a three-run home run for the Angels and Robb Nen never threw another pitch in the major leagues after the Angels rallied for a 6-5 victory. [...] the Ducks — who’d lost only three times in their first 11 playoff games — laid back-to-back eggs, losing Game 6 on the road 5-2 before returning to Southern California to see their season end in a 5-3 defeat in which the Blackhawks scored the first four goals. The San Antonio Spurs were a rebound away from beating LeBron James and the Heat for the NBA title, but Chris Bosh was able to grab James’ attempted Game 6 game-tying three and find Allen in the corner for an overtime-forcing triple. The Cardinals’ David Freese tied the game with a two-run triple in the bottom of the ninth and then — after Lance Berkman had tied it again in the 10th — won it in the 11th with a home run. The St.