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5/22/2014 8:11 P.M. ET

Erlin lands on disabled list with elbow soreness

Stauffer to start Friday; Boyer called up from Triple-A El Paso

SAN DIEGO -- Left-handed pitcher Robbie Erlin was placed on the 15-day disabled list with soreness in his elbow on Thursday before the start of a four-game series against the Cubs.

General manager Josh Byrnes said an MRI of Erlin's left elbow on Wednesday showed fluid, and that he'll likely miss "two to three starts."

"He felt pretty good pitching, but there was enough soreness to get the MRI," Byrnes said.

The Padres will have Tim Stauffer take Erlin's turn in the rotation on Friday against the Cubs.

To replace Erlin on the roster, the team recalled reliever Blaine Boyer from Triple-A El Paso. Boyer had a 3.32 ERA in 18 games, all in relief. He last appeared in the big leagues on April 10 of 2011 with the Mets.

Erlin, 23, said that he has felt something in his elbow his last three or so starts. He's 3-4 with a 4.53 ERA in nine games this season, including eight starts. He picked up a victory in Colorado in his last start on May 17, allowing four runs in five innings.

"There wasn't really one specific time, I just felt it over the last few starts. Game situations it felt all right. But between starts I kind of felt it while playing catch," he said.

"[It's] a little bit of pain, in the throwing motion. I've just had some strains before. This is not quite as severe. Just taking the precautionary route -- hopefully take a little bit of time to save a lot of time."

The Padres have lost two starting pitchers to the disabled list in the last week -- Andrew Cashner, who also has soreness in his right elbow and now Erlin.

"It's the smart route to go. You think worst-case scenario you could be out for a year if something really happens. Just decided to take this route, and hopefully give it a little time and we won't have any more problems," Erlin said.

For a team that has been hit hard in recent years by pitchers needing Tommy John surgery, Erlin said he didn't let his mind wander down that dark path.

"I didn't freak out or anything, just thought it got to the point where I wanted to get it treated. There wasn't one pitch or outing where I said 'This is bad,' just kind of came up over time," he said.

Roberts cherishes 'special day' as Padres manager

SAN DIEGO -- To commemorate his official status as manager-for-the-day on Thursday, Padres bench coach Dave Roberts got to use some fancy table settings for breakfast.

At home, the Roberts have a red plate that's marked with "Your Special Day," and, depending on the situation, Dave, his wife Tricia, daughter Emmerson and son Cole get to use the dish.

Emmerson and Cole get the most use of the dish, but they made sure dad had it waiting for him on the day he filled in for manager Bud Black, who is away attending his daughter Jessie's graduation from the University of Maryland.

"Before they headed off to school, there's a red place we have at our house, whenever there's a special moment, that child -- I guess I'm the child for the day -- gets to use the special plate. So they wished me luck," Roberts said before the Padres faced the Cubs.

Roberts said he's got to use the dish on previous occasions when he was named bench coach on Nov. 18 and when he was named to Black's staff in October of 2010.

To be sure, Roberts hasn't had a whole lot of time to enjoy the moment -- he has been too busy getting prepared.

"It's exciting. But I think that the preparation for this one game for me and for us has kind of overtaken that," Roberts said. "So for me, it's more about helping us get a win. I think I can look back hopefully if we get a win tonight then I can look back with fond memories to my first game as a manager."

That means getting ready to face old friend and former Padres bench coach Rick Renteria, who is in his first season as manager of the Cubs.

"You know each other's tendencies, what each other likes to do. It's kind of that cat and mouse. It's just talking to coaches, seeing what to expect. But we know what he likes to do," Roberts said.

"It's kind of ironic. He's one of my better friends. It's one of those things where we're friends now, but once the game starts, we're looking to beat up on the Cubs. But it will be nice to go out there and say hello to him."

Short hops

• Outfielder Carlos Quentin, who left Sunday's game with a right groin strain against Colorado, is a few days away from returning to the lineup, said general manager Josh Byrnes. Quentin will not need a disabled list stint, Byrnes said, adding that "there's a pretty good chance he could get back in the outfield by the road trip." The Padres open a three-game road trip in Arizona on Monday.

• Pitcher Casey Kelly, on a Minor League rehabilitation assignment with Double-A San Antonio, had some soreness in his right arm after his last start and will miss one start. Byrnes expects him to resume starting after skipping that start. Kelly, on the road back from Tommy John surgery in 2013, has made four appearances, posting a 2.21 ERA in 20 1/3 innings. He tossed six scoreless innings the last time out against Frisco on May 17.

Corey Brock is a reporter for MLB.com. Keep track of @FollowThePadres on Twitter. This story was not subject to the approval of Major League Baseball or its clubs.