Koch (5-5) blew his fourth save in 15 chances and saw his ERA rise to 5.30. The veteran righthander has given up eight home runs in 37 1/3 innings this season.
spoke as if he was ready to take the closer's job away from Koch.
"You probably have to get some better matchups for him," Manuel said. "(
) have saved ballgames before. Billy's... always had command problems. You give him the ball and if (he) gets the job done, (he) gets another opportunity. If (he) doesn't, then other people get the opportunity."
struck out to start the ninth, Koch walked
and gave up a single to pinch hitter
. Crawford followed by blasting an 0-1 pitch into the right field seats.
"When you're not trying to hit one, it comes," Crawford said. "I was just trying to get on base and keep it alive, and I hit it out."
That was all the damage the
. The righthander allowed four hits and six walks in eight innings, but had four strikeouts to help himself escape some jams.
(2-4), who gave up a homer to Daubach in the ninth, got credit for the win.
failed in their quest to move over .500 for the first time since May 3.
had his winless streak extended to five starts for Chicago, despite allowing just one run and eight hits in 6 2/3 innings.
ruined Colon's shutout bid with a homer in the seventh.
"He threw the ball well," Manuel said. "He kept the tempo and went after the hitters a bit tonight."
Marte finished the seventh and worked a perfect eighth to set up Koch.
have won four of their last five games after winning only four of their previous 25.