ESPN’s NFL preseason ratings fell by more than a quarter on Monday night. Monday’s Ravens-Colts NFL preseason game earned a 1.7 rating and 2.66 million viewers on ESPN, down 26% in both measures from last year (Giants-Browns: 2.3, 3.57M). There was no comparable game in 2016. Excluding games on NFL Network, the 1.7 rating is the fourth-lowest for any preseason game since 2004. ESPN has aired three of the four lowest rated games over that span, including Jets-Washington on Thursday and Buccaneers-Jaguars last year (1.6 for both). MNF ranked just sixth for the night in adults 18-49 (0.8) behind ABC’s...