The Cubs gave up 3 runs in the eighth and a run in the ninth to fall to the Mariners 4-1.
The Cubs scored first with a RBI by Báez in the seventh to take a 1-0 lead. The Mariners came back with three runs in the eighth thanks to a two run double by Martin and a wild pitch by Chapman to take a 3-1 lead. The Mariners added another run on a error by Russell in the ninth.
Miley got the win improving to 7-8 on the season. Miley gave up 1 run on 1 hit while striking out 9 and walking 1 over 7 innings. Arrieta took the loss falling to 12-5 on the year. Arrieta gave up 2 runs on 2 hits while striking out 4 and walking 3 over 7 innings.
The Cubs will finish their series with the Mariners tonight at 7 PM.