Plus: Alex Ovechkin scored his 31st goal of the season and 853rd of his career in the first period to put the Washington Capitals on the board first. That puts him 41 (!) goals away from tying Wayne Gretzky’s record. Minus: Tonight’s win means your heart rates don’t get a rest quite yet—buckle up for some playoff hockey! Key Moment: TJ Oshie scored the empty net goal with 3:00 to go in…