SAN JOSE, Calif. – San Jose Sharks defenseman Erik Karlsson was in the offensive zone in the second period when he saw winger Rudolfs Balcers streaking toward the Colorado Avalanche net. Karlsson then hit him with a tape-to-tape pass, but the redirection by Balcers bounced harmlessly off the post. Later in the period, Karlsson sprung Alexander Barabanov for a breakaway chance. Barabanov, though, flat out missed the net from about 15 feet away. The missed chances proved costly, as the Sharks rallied back from a four-goal deficit with goals Jeffrey Viel, Balcers and Karlsson, but lost 5-3 at SAP…