All-Star closer Liam Hendriks worked a rocky ninth for his 19th save, surrendering Ryan McMahon's leadoff homer. Pinch-hitter Elias Díaz walked with two out, but Hendriks got Charlie Blackmon to bounce to shortstop.
Hendriks has allowed at least one run in each of his last three outings.
Colorado wasted a stellar performance by Germán Márquez (6-8), who permitted one run and seven hits in six innings. The right-hander has allowed five earned runs over his last 19 2/3 innings.
Kopech (4-6) worked out of jams in the second and fifth and departed after allowing six hits in 5 1/3 innings. Jimmy Lambert got two outs, and Joe Kelly worked the seventh. Kendall Graveman pitched the eighth before Hendriks came in.
Chicago turned inning-ending double plays in the second, fifth, sixth and seventh.
White Sox: OF Luis Robert (lightheadedness and blurred vision) has begun some baseball activities, manager Tony La Russa said. “He seems like he’s improving every day except he’s still getting tested,” La Russa said.
Rockies: SS José Iglesias was out of the lineup a day after fouling a ball off of his left foot. Manager Bud Black said Iglesias should return Wednesday. ... RHP Jhoulys Chacín was placed on the 15-day injured list with toe sesamoiditis. RHP Justin Lawrence was recalled from Triple-A Albuquerque.
Mariners' late slide continues with 5-0 loss to Rangers
— Top prospect Josh Jung hit two home runs and finished with five RBI, and the Seattle Mariners continued slumping in their quest for a postseason berth in a 5-0 loss to the Texas Rangers on Tuesday night.
Josh Jung unloads two HRs to extend the Rangers' lead
Josh Jung homers in the sixth inning to put the Rangers on the board first and again in the eighth to to give the Rangers a 5-0 lead.
Jo Adell comes up clutch to put Angels on top in the 8th
The Angels take a 4-3 lead over the A's as Jo Adell's seeing-eye single drives in Matt Duffy.
Jo Adell's 8th-inning RBI sends Angels past Athletics, 4-3
— Jo Adell drove in Matt Duffy with a tiebreaking RBI single in the eighth inning, and the Los Angeles Angels opened their final homestand of the season with a 4-3 victory over the Oakland Athletics on Tuesday night.
Logan Webb strikes out seven as Giants beat Rockies again
— Joc Pederson won a World Series championship last season with the Atlanta Braves and expected to compete for one this season in San Francisco, only to be out of it in September instead.
Pederson thinks he's flied out, but the ball keeps carrying
Joc Pederson spikes his bat after lifting the ball to center, but the ball stays up and soars over the wall.