MILWAUKEE -- What jockey Calvin Borel is to the Kentucky Derby, Sandy Guerrero could be to the State Farm Home Run Derby. At least that's what Kentucky-born Brewers outfielder Corey Hart is hoping.

Hart has tabbed Guerrero, the hitting coach at the Brewers' Triple-A Nashville affiliate, to serve as his pitcher in Monday's Home Run Derby. Guerrero is a veteran of the event and helped fellow Brewers slugger Prince Fielder win it last year in St. Louis.

"Maybe he can be my [Borel]," Hart said of Guerrero, his former manager at Double-A Huntsville. "He throws it straight, and he can throw it where he wants to throw it. He's one of those guys who you can tell where you want it, and it's right there nine times out of 10. He can find your swing."

Hart has long enjoyed watching the Home Run Derby on television and took part in a Class A Minor League version of the event in 2002 in Wilmington, Del.

"I only hit one home run, but that's OK because the winner only hit two before weather cut it short," Hart said. "We didn't get to pick our pitcher then, and the guy doing it was throwing nothing but hard cutters. It was unbelievable. I'm just excited to go out there and have fun with it next week."

Hart was the event's first confirmed participant Sunday, and Major League Baseball announced five more Tuesday: the Cardinals' Matt Holliday from the National League, and the Tigers' Miguel Cabrera, the Yankees' Robinson Cano, the Red Sox's David Ortiz and the Blue Jays' Vernon Wells from the American League.

Gallardo hits DL, will miss All-Star Game

MILWAUKEE -- The Brewers decided to play it safe with their ace right-hander Tuesday, when the team placed Yovani Gallardo on the 15-day disabled list with a left rib-cage strain and officially removed him from eligibility to participate in next week's All-Star Game.

The injury bug bit Gallardo on Sunday in St. Louis, only hours after the 24-year-old was named to the National League All-Star team for the first time. He was examined Monday afternoon by head team physician William Raasch, who confirmed the strained oblique, and reported lingering tightness Tuesday.

That's when the Brewers decided to place him on the DL.

"Of course, I'm disappointed," Gallardo said. "Anytime you go on the DL, it's not a good thing. Being a starting pitcher, [the rib cage] is a tough area because you can only do so much. I'll take it easy this week, and hopefully it gets better."

To replace Gallardo on the 25-man roster, the Brewers activated left-hander Doug Davis from the 15-day DL. Davis, who has been sidelined since he developed inflammation around his heart in mid-May, is scheduled to take Gallardo's spot in the starting rotation beginning Friday.

Gallardo will be eligible for reinstatement beginning July 20.

"I think we have to be very cautious with this," Brewers manager Ken Macha said. "The doctor will be in on Thursday again to take another look at him. If that thing tears, we're looking at six weeks, and I don't think we want that. ... Not only are you making a decision on what's best for Yo, but what's best for the team, too. We've invested a lot of money in the guy for the long haul, and we want to make sure he's OK and not create a bigger problem than the small one you have right now."

Gallardo said he still plans to travel to Anaheim for All-Star festivities, even if he's unable to pitch. Major League Baseball will name a replacement in the coming days.

"It's nothing major, which is a good thing," Gallardo said. "But I still have tightness in there, and the last thing you want to do is go out there and start and hurt it even more."

Struggling Escobar to sit two games

MILWAUKEE -- After three costly errors in two days, the Brewers hope a couple of days off will help rookie shortstop Alcides Escobar get back on track defensively.

Following Monday night's 6-1 loss, Brewers manager Ken Macha said he planned to give Escobar two of the last six games off before the All-Star break. The Brewers manager confirmed Tuesday that those two would be Tuesday and Wednesday against the Giants.

With the days off for Escobar, the rookie got out early Tuesday afternoon, putting some extra defensive work in with bench coach Willie Randolph while also taking early batting practice with hitting coach Dale Sveum.

"I want to give him a couple days off here, let him clear his mind," Macha said. "You're breaking in these shortstops or second basemen. ... The game goes real fast here and it's a very extremely demanding and difficult position.

"You take a look at some of the great shortstops, they had a lot of errors in their rookie year. You've got to have patience with these guys."

Escobar entered Tuesday ranked second in the Major Leagues with 14 errors, six behind fellow rookie shortstop Ian Desmond, who had 20 errors in 75 games for the Nationals.

By comparison, Derek Jeter committed 22 errors over 156 games in 1996, when he was named American League Rookie of the Year. Escobar's fellow Venezuelan native, Omar Vizquel, committed 18 errors in 143 games as a rookie.

"You have to look at him and evaluate his hands, his arm and his range, and know that they're going to have some plays that they're going to screw up," Macha said. "I don't want it to get into his head that every play is like life and death."

While Macha does not want his rookie shortstop to be worried about every individual play, he added that with the three errors over the last two days being so costly, it did have some educational value for Escobar.

"It just so happened that the couple plays in the last couple days have been big factors in the games," Macha said. "That also lets him know what the gravity of that position is. There's a high demand on good defense at the shortstop position."

Worth noting

For the fifth annual "Cerveceros Day" on Saturday, the Brewers will take the field in jerseys with the traditional "Brewers" script replaced by the Spanish language translation, "Cerveceros." The Pirates will also participate and wear uniforms that say "Piratas." Beginning July 14 at noon CT, the commemorative uniforms will be auctioned off on brewers.com, with proceeds going to the Wisconsin Hispanic Scholarship Fund, the Phillip Arreola Scholarship Fund and the Hispanic Professionals of Greater Milwaukee Scholarship Fund. ... Class A Wisconsin right-hander Maverick Lasker and Double-A Huntsville second baseman Brett Lawrie were selected as Milwaukee's Minor League Pitcher and Player of the Month for June.