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07/29/09 3:56 AM ET

Contreras aims for good end to road trip

Chicago (51-50) at Minnesota (51-50), 7:10 p.m. CT

MINNEAPOLIS -- With five losses in six games on this seven-game journey through Detroit and Minneapolis, it would be easy for Ozzie Guillen to fire on his team regarding their poor performance since Mark Buehrle's perfect game thrown at U.S. Cellular Field last Thursday.

Instead, Guillen chose a slightly more complex and expansive response when asked to describe this current road trip, which comes to an end on Wednesday night at the Metrodome.

"Really bad," said Guillen, pausing before clarifying his comments. "Bad in the win and loss column. We played good. We got beat a couple of times by one run. But it's still a loss.

"They beat us. We don't beat ourselves. I think we are competing real well. Hopefully, we turn things around. We come here to win."

If the White Sox are going to win on Wednesday at the Metrodome, which let's be honest, they haven't done much lately on any day of the week, the South Siders will have to get the job done without Bartolo Colon. The burly right-hander was scratched from his scheduled start with a sore right elbow.

The severity of Colon's injury was not known Tuesday night, as the veteran is scheduled to be reevaluated prior to the series finale. Jose Contreras moves up from the series opener against the Yankees at home on Thursday to pitch against the Twins. He worked with Colon in Friday's doubleheader sweep at the hands of the Tigers, so Contreras will be working on regular rest.

But Guillen had picked Colon to go against the Twins because he has a better pickoff move to first and would have a better chance at slowing down Minnesota's speed game. A little extra pressure will fall Wednesday upon Ramon Castro, who figures to give A.J. Pierzynski a rest behind the plate.

Future ramifications from Colon's injury are abundant. If he's out for any significant amount of time, the White Sox could return him to the disabled list, move Clayton Richard back into a well-earned spot in the starting rotation and call up a left-hander from the Minor Leagues to work in relief. The White Sox also could bring back Carlos Torres from Triple-A Charlotte and plug him into the rotation, with Freddy Garcia not ready to return to the Major Leagues, and keep Richard in the bullpen as the second left-hander behind Matt Thornton.

Those answers will be found, in part, some time on Wednesday. The only present concerns for the White Sox are to avoid the road sweep at the hands of the Twins and try to change their rotten Metrodome luck that has produced a 4-16 record in their past 20 games at the venue.

A victory also could move the White Sox back within a game of the first-place Tigers, despite a 2-5 road swing.

"If we want to win this thing, no question we need to play better -- at least win more games, obviously," Guillen said. "This road trip, I'm not saying we played bad, but we won no games. I would rather play bad and win some games than play good and lose every game."

"We probably should have won three of four in Detroit and didn't get it done," Pierzynski said. "Last night was a game we had a shot to win. John [Danks] pitched great. Another waste. You just don't like to waste good starting pitching. It seems like we've done that. But it will all work out in the end. We like where we're at and hopefully we'll get it going [Wednesday]."

Pitching matchup
CWS: RHP Jose Contreras (4-9, 4.80 ERA)
Remember that old adage about if it wasn't for bad luck, you would have no luck at all? Well, that particular cliché summed up Contreras' start against Detroit during a 5-1 loss in Game 1 of a split doubleheader on Friday at Comerica Park. Contreras allowed four earned runs on nine hits, but two were of the bloop variety and led directly to two runs. A better sign of Contreras' effectiveness came from his eight strikeouts and one walk, throwing 73 of his 117 pitches for strikes.

MIN: LHP Brian Duensing (0-1, 5.50 ERA)
Duensing gets the start in place if Francisco Liriano, who was a last-minute scratch. Liriano had some swelling in his left forearm on Tuesday.

There appeared to be absolutely no lingering after-effects from the dugout disagreement between Pierzynski and Alexei Ramirez during Monday's loss to the Twins. Guillen said he is the one who polices such a situation. "That's my job," Guillen said. "If they have a problem, they are going to have a problem with me and don't think having a problem with me is easy because I'm easy-going. I love to have fun in the game, but in the meanwhile, we have to respect each other. There are a lot of ways to criticize your teammates and a lot of ways to talk to them. That happens on every team, every week. I expect that and I like that. I don't care if they kick the [heck] out of each other, as long as they win. But it's over with. He was rooting for him yesterday when he went to hit and I don't think it was any problem." Guillen admitted that he might have made more out of the situation than he needed to by kicking and then spiking a bucket of gum after the incident. But he also was bothered by his team's poor play at the time. ... Buehrle fell to 7-1 in night games this year. ... Thornton and his wife, Emily, welcomed daughter, Avery Annette, into the world Monday night in Chicago. The couple's first child weighed 7 pounds, 7 ounces. ... The White Sox agreed to terms on a Minor League contract with outfielder Trayce Thompson, the club's second-round compensation selection (No. 61 overall) in the 2009 First-Year Player Draft. Thompson, the son of former NBA player Mychal Thompson, will report to Advanced Rookie Bristol. The White Sox have signed 38 members of their 2009 Draft class. ... What a difference a start makes: In Buehrle's last trip to the mound at the Metrodome, on July 12, he allowed eight runs on 10 hits over 3 1/3 innings.

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Up next
• Thursday: White Sox (Bartolo Colon, 3-6, 4.19) vs. Yankees (Andy Pettitte, 8-6, 4.67), 7:11 p.m. CT
• Friday: White Sox (Gavin Floyd, 8-6, 4.24) vs. Yankees (Sergio Mitre, 1-0, 5.91), 7:11 p.m. CT
• Saturday: White Sox (John Danks, 8-7, 3.89) vs. Yankees (A.J. Burnett, 10-4, 3.53), 3:05 p.m. CT

Scott Merkin is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.