Coverage on the second round of the 2018 US Open Championship beat 2017’s tally, up seven percent and averaging just over 1.5 million viewers on FOX, FS1 and FOX Sports Digital Platforms combined. In 2017, the combined tally was just over 1.4 million. The second round surge was even more impressive since perennial ratings draw Tiger Woods missed the cut. The FOX broadcast network posted a 1.5/4 household rating/share, with 2,090,000 viewers, according to fast national…