On Thursday the MLB power System play is on the Seattle Mariners. Game 912 at 10:10 eastern. This game applies to a solid system here tonight that plays on certain home favorites off a road dog loss that scored 2 or less runs and had 4 or less hits off a road dog win. These teams since 2004 have won by an average 7-3 score. KC has lost 6 of the last in the series here in Seattle and 127 of 24 on the road when the total is 7. Seattle has won 9 of 12 vs left handers and is averaging over 6 runs the past week. Both Duffy for KC and Iwakuma for Seattle are making their second starts of the season. Duffy lasted just 4 innings in first start. Iwakuma weren't 8 scoreless here vs KC Last time he faced them. Look for the Mariners to take the opening game here tonight.