Seattle Mariners (38-36, second in the AL West) vs. Chicago Cubs (45-30, first in the NL Central) Chicago; Saturday, 2:20 p.m. EDT PITCHING PROBABLES: Mariners: Emerson Hancock (3-2, 4.48 ERA, 1.38 WHIP, 45 strikeouts); Cubs: Cade Horton (3-1, 3.47 ERA, 1.21 WHIP, 29 strikeouts) BETMGM SPORTSBOOK LINE: Cubs -169, Mariners +141; over/under is 12 runs BOTTOM LINE: The Seattle Mariners bring a 1-0 advantage into the next game of the series against the Chicago Cubs. Chicago is 45-30 overall and 24-14 at home. The Cubs are 12-7 in games decided by one run. Seattle is 38-36 overall and 18-17 on the road. Mariners hitters are batting a collective .243, which ranks ninth in the AL. The matchup Saturday