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6/7/2014 9:51 P.M. ET

Rienzo, Carroll to remain in current roles

ANAHEIM -- Andre Rienzo received a vote of confidence from White Sox manager Robin Ventura Saturday, meaning the right-hander will stay on schedule to make his next start Wednesday against the Tigers at U.S. Cellular Field.

Rienzo has made three quality starts among his nine this season, but struggled for a second straight outing in Friday's 8-4 loss to the Angels. The right-hander allowed seven runs on nine hits over 3 2/3 innings, giving up two in the first and then five two-out runs in the fourth.

"You go through spurts where he's been giving us a chance and then you see an inning like last night where he just can't close it out," said Ventura. "He can't get out of that inning and falls behind and just does stuff to put himself in a little more danger than he has in previous starts."

Ventura pointed out after the loss that Rienzo needs to be able to locate his curve to be effective, and Rienzo admitted that his curve was consistently up in the zone. That lack of location produced consistent solid contact.

Scott Carroll allowed just one run on two hits over 4 2/3 innings of relief Friday, having yielded three runs on nine hits over 13 innings pitched since moving from starter to long man. Ventura could choose to flip Carroll for Rienzo in their particular roles, but for now, Ventura is happy to have a quality hurler such as Carroll who can reduce the bullpen's workload with his extended work.

"Before we had him, we were pretty vulnerable if [a starter] got knocked out in the third or fourth, being able to cover and not wear guys out and blow up the bullpen," said Ventura. "He's done a nice job being able to come in there, especially not having done it before. He's been a starter, but is able on a moment's notice to make your way in there and figure out how to get out of it and survive for a few innings.

"That role is valuable because you can blow up your bullpen where you won't recover for maybe a week or a week and a half if you blow those guys out. It's important because you want everybody to be able to go out there and feeling pretty strong about going out there doing their job. That's important. For him to be able to come in and do it has been a big deal for us."

Scott Merkin is a reporter for MLB.com. Read his blog, Merk's Works, and follow him on Twitter @scottmerkin. This story was not subject to the approval of Major League Baseball or its clubs.