NBC was on top Wednesday night among total viewers (5.87 million) and adults 25-54 (1.5 rating/5 share). With two back-to-back episodes of “MasterChef”, Fox won the night among adults 18-49 (1.2/4) and adults 18-34 (0.7/4). On ESPN2, “U.S. Open Tennis” in prime time (793,000 viewers) went up 10 percent from the year-ago evening (721,000 viewers […]