Time to focus on NHL playoff chase, credit some old-timersSource: AP ‘Buffalo’s Lindy Ruff and Nashville’s Barry Trotz are the league’s two most-tenured coaches — and their teams are tops in their respective conferences.’ Related posts: Buffalo's Ruff, Anaheim's Carlyle to coach All-Stars Playoff Success Leads to Job Security At playoff time, Flyers in regular-season form Sabres, Halloween-ish thoughts for late October Real-time statistics coming back in real life