When Brady Tkachuk picked up the puck in the neutral zone and skated all alone towards the goal in overtime, his first thought was "don't toe pick." But his burst of speed and execution on the breakaway were flawless, and Tkachuk's second goal of the game 51 seconds into OT gave the Ottawa Senators a 6-5 win over the Colorado Avalanche Saturday. "With all the ice, I told myself I better score,"