By Zach Koons A muddy field in El Salvador turned Tuesday’s match into a messy affair. View the original article to see embedded media. The United States men’s national team scraped out a draw against El Salvador in a Concacaf Nations League group-stage match on Tuesday night in San Salvador. However, rather than focus too heavily on the result, faithful followers of the USMNT were far more fascinated by the disastrous field conditions that the two teams had to deal with at Estadio Cuscatlán. Rainy conditions in San Salvador in the days leading up to the USMNT’s third-to-last match before the …