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7/25/2013 3:01 P.M. ET

Crain has setback with injured right shoulder

CHICAGO -- Two days after throwing his first bullpen session following a right shoulder strain that put him on the disabled list retroactive to June 30, White Sox reliever Jesse Crain played catch Thursday and afterward said "it definitely wasn't better today."

Crain added that "it's just something that never quite warmed up and it didn't feel good playing catch, let alone getting off a mound."

White Sox pitching coach Don Cooper called Crain's throwing session a "slight setback," and said that Crain now needs to consult with team trainers and doctors.

"You move forward," Cooper said. "[Crain] goes back in and talks to [White Sox head athletic trainer Herm Schneider] and talks to our people and figure out what's the plan now for him. I'm not sure what that plan is, but right now it's not throwing sidelines."

"I'm going to talk to trainers and doctors today and see what the next, you know, course is," Crain said. "But, you know, if there was an exact answer of how to fix it, we'd be doing it. You've got to go by feel and, you know, take it from there."

Before the injury, Crain, who has posted a 0.74 ERA in 38 appearances this season, was considered a trade target for teams looking for bullpen help. He was still firmly in the mix as he recovered from the shoulder setback.

But now that he is not likely to pitch in a Major League game before Wednesday's non-waiver Trade Deadline passes, he will likely be a waiver candidate or stay with the White Sox.

"It's still a process, day by day," Crain said. "Obviously I want to be getting better and I want to be able to pitch, most importantly. It's always discouraging when you work hard to get back and [the shoulder] is not responding."

Beckham will likely return during series vs. Royals

CHICAGO -- White Sox manager Robin Ventura said before the series finale against the Tigers on Thursday afternoon that second baseman Gordon Beckham could be in the lineup as soon as Friday night's opener against the Royals.

"Gordon came out, took some ground balls and is feeling better. I think it's probably more likely him for [Friday] than it is for today," Ventura said. "It's progressed enough to where you can kind of see him playing in the next couple days."

Beckham strained a ligament in his left wrist while swinging a weighted bat during batting practice warmups prior to last Friday's game against Atlanta and has missed five games since.

Santiago keeps spirit high during White Sox struggles

CHICAGO -- After taking the loss in the White Sox 6-2 defeat Tuesday night against the Tigers, starting pitcher Hector Santiago wasn't dwelling on the season-high four errors the White Sox committed or the five walks he issued.

Instead, he was trying to pick up his teammates.

After the game Santiago tweeted several things, including: "I think tonight is forgotten about. We play our heart out everyday we leave it all on the field. I know it doesn't look like it but we do"

"We're giving everything we've got," Santiago said Wednesday of the tweets. "We're not out there just standing in there, filling a spot. We're out there diving all over, Alexei [Ramirez] is diving, I mean guys are, you know, it's not easy to make every single play. Sometimes you get a little in-between hop, stuff like that."

Santiago said that the White Sox clubhouse consists of a close-knit group of ballplayers, and his tweets reflected the bond he has with his teammates.

"You're here every day with these guys ... you grind it out in Spring Training with them for two months, 2 1/2 months or whatever it was," Santiago said. "I mean, most of us have played together for years and it's friends and family, pretty much you can consider them family."

In a season that hasn't gone the way the White Sox had hoped, manager Robin Ventura appreciates Santiago's positive message.

"Yeah, Hector's always [positive]," Ventura said. "I think, you know, his personality is just that way. You don't really see him down too often or ever. I don't remember a time when he's been down. You know, he gets it and he's a good teammate. He's a good pitcher, competitor and all that other stuff. You don't ever see him taking the low road."

"You just get to know each other," Santiago said of his teammates. "It's like the next guy next to you is your brother."

Third to first

• Jake Peavy selected the 1983 retro uniforms for the White Sox to wear in their series finale against the Tigers on Thursday afternoon. Those uniforms are usually reserved for Sundays, but Peavy said he never had a chance to don that uniform and made the decision. It's the starting pitcher's call on what uniform the team will wear on any given day, and the decision by Peavy might have been influenced by the possibility that Thursday's start would be his last as a member of the White Sox.

"I wanted to wear it," Peavy said after the White Sox 7-4 win. "I never wore it. Last year I never made a start on Sunday and didn't get to pitch in those -- and we all know the situation -- and I hadn't pitched in these, and these are so cool. When Vinny asked me if we were wearing black or white, I said, 'How about those? Let's get the Sunday uniform out.' And I appreciate Robin [Ventura] letting me wear it."

• Entering play Wednesday, of the 98 games the White Sox had played this season, 74 of them (75.5 percent) had been decided by three runs or fewer. That included 33 of their past 45 contests, and in those 33 games, the White Sox were 10-23

• The White Sox pitching staff ranked among the American League leaders in home opponents' batting average (.240, third), slugging percentage (.374, third), OPS (.678, third), ERA (3.72, fourth) and WHIP (1.24, fourth)

Manny Randhawa is an associate reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.