New York Mets (18-7, first in the NL East) vs. Washington Nationals (11-14, fourth in the NL East) Washington; Friday, 6:45 p.m. EDT PITCHING PROBABLES: Mets: Kodai Senga (3-1, 0.79 ERA, 0.97 WHIP, 20 strikeouts); Nationals: Jake Irvin (2-0, 3.