Nationals catcher Yan Gomes left yesterday’s ballgame in the second inning with what appeared to be a strained oblique, per Bobby Blanco of MASNsports.com. Losing Gomes would be a significant blow for the Nationals, who already placed his backup, Alex Avila, on the injured list earlier this week. Yadiel Hernandez would currently be the Nats’ emergency catcher, though a roster move could come later today if Gomes is expected to miss any amount of time. Tres Barrera is the other option currently on the active roster. He figures to start today’s ballgame at the very least. The Nats could try to get by with just Hernandez backing up Barrera for the next couple of days with the All-Star break starting on Monday.