DETROIT (AP) - Justin Verlander's run of dominance was finally interrupted, and Detroit lost its first game after the All-Star break.

When it was over, the Tigers prepared to welcome back a player they hope will help them bounce back in short order.

Verlander allowed four earned runs in six innings, and the Tigers lost to the Chicago White Sox 8-2 on Friday night. Afterward, Detroit announced that second baseman Carlos Guillen will be back in the lineup Saturday after an 11-month absence.

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Guillen had microfracture surgery on his left knee and hasn't played since August.

``We're bringing Carlos back to play second base,' general manager Dave Dombrowski said. ``The reports are that he's swinging the bat very well, and we think he can help us offensively. In the field, he can catch the ball and he can turn double plays. His range isn't great, and we know that.'

The Tigers had a hard time Friday against Gavin Floyd, who outpitched Verlander. Carlos Quentin had three hits and three RBIs for the White Sox.

Chicago scored four runs off Verlander (12-5) in the third inning - more than the Detroit ace had allowed in any start since May 24. It was also Verlander's shortest outing since that same date.

``He wasn't at the top of his game, but he wasn't bad,' manager Jim Leyland said. ``They didn't hit a lot of balls hard off of him, but he left a couple of breaking balls up, and they hit those.'

Floyd (7-9) allowed two runs - one earned - and struck out five in 7 2-3 innings. He walked one.

Miguel Cabrera hit a two-run homer for Detroit in the fourth, and later added a single for his 1,500th career hit.

Verlander allowed five runs - four earned - on seven hits. He walked two and struck out six.

The night began like most of Verlander's recent starts. He retired the first seven White Sox, striking out three.

Gordon Beckham lined a single to left field, giving Chicago its first baserunner. Mark Teahen followed with a single up the middle and Juan Pierre bunted toward first base for a hit, driving in a run.

Two batters later, with the bases loaded, Adam Dunn pulled a grounder through an infield shift into right field for a two-run single.

``We were able to scratch and claw,' Dunn said. ``Beating the best pitcher in baseball - that's a good way to start the second half.'

Quentin's RBI single made it 4-0.

``I left a changeup up to Dunn and he hit it sharply, but that was about it,' Verlander said. ``There was a jam job, a bunt and a ball off the end of the bat. That's baseball - guys are going to find holes.'

The White Sox improved to 9-16 against AL Central opponents this season. Detroit is 18-9 within the division, a big reason why the Tigers entered the night in a virtual tie for first with Cleveland.

Detroit is a game behind now. The White Sox trail the Indians by five.

Detroit scored two runs in the fourth when Magglio Ordonez struck out but reached on a passed ball, and Cabrera followed with his 19th homer of the season.

Chicago scored in the fifth when Pierre reached on an error by second baseman Ryan Raburn, went to third on a double by Alexei Ramirez and scored on a grounder by Quentin.

Quentin made it 6-2 with an RBI single in the seventh, and Beckham added a two-run single later in the inning.

Detroit finally knocked Floyd out of the game with two out in the eighth. Brian Bruney came on and faced one batter, walking Cabrera to load the bases before Will Ohman struck out Victor Martinez to end the threat.

NOTES: The White Sox snapped a six-game losing streak at Detroit. . Cabrera received a nice ovation from the sellout crowd at Comerica Park after hit No. 1,500. He took off his helmet at first base to acknowledge the fans. . Tigers manager Jim Leyland started Don Kelly at 3B in place of the struggling Brandon Inge, who entered the game with a .184 average. Inge pinch-hit in the ninth and flied out to deep right. . Detroit CF Austin Jackson was a late scratch because of left wrist soreness.