Ghost runners are still stupid, but the Nationals beat the Marlins with their free runner tonight… Gray vs Miami: Josiah Gray struck out a season-high 10 batters in 5 2⁄3 IP when he faced the Miami Marlins in D.C. back on April 26th, but he took the mound tonight coming off a rough outing in his previous start, which saw the 24-year-old right-hander give up six hits (three homers), two walks, and six earned runs, five of them in a rough first in which he struggled to command his pitches against a strong Houston Astros’ lineup. “I tried to look…