Welcome to the NHL On Tap. Three NHL.com writers will share what they are most looking forward to on the schedule each day. Today, their choices from the 10 games Tuesday.Related: How to watch and stream NHL gamesPredators host Penguins on winning streakThe Nashville Predators seek their sixth win in a row when they host the Pittsburgh Penguins at Bridgestone Arena 8 p.m. ET; SN PIT, BSSO. The...