This play is based on an undisclosed totals system which has generated an ROI of 16% so far in 2018.

In addition we can note that Boston left-hander Chris Sale (6-4, 2.74 ERA) has compiled a 2.09 ERA in 10 career games (eight starts) against the Mariners while Seattle southpaw Marco Gonzales (7-4, 3.80 ERA) will face Boston for the first time in his career. Under is 7-1 in Gonzales' last 8 starts overall and he had allowed just six runs in 38 1/3 innings in six starts prior to giving up six runs in the Bronx Tuesday night.

Under is 20-6 in Red Sox last 26 Sunday games and 12-5 in the last 17 meetings with the Mariners.

8* play on UNDER.