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06/30/12 8:45 PM ET

Corbin acclimating to bullpen role

MILWAUKEE -- When he came in from the bullpen Thursday in Atlanta, it was the first time D-backs left-hander Patrick Corbin had pitched in relief during a regular-season game since rookie ball in 2009.

Despite the lack of experience in that role, D-backs manager Kirk Gibson had no concern about utilizing him in that role after calling him up from the Minors the previous day.

"He's pretty competitive," Gibson said. "He doesn't get overwhelmed, he cherishes competition. He's up to anybody's challenge."

Corbin threw three shutout innings in relief of Trevor Bauer and credited the couple of games he had to pitch in relief during Spring Training this year with helping him be more comfortable. The fact that this is Corbin's second stint in the Majors this year also helped.

"Going out there and throwing strikes is what I wanted to do," Corbin said. "I felt a lot more relaxed and confident than the first time I came up. I just went out there and threw what I've been throwing."

Corbin has picked the brains of some of the veterans in the bullpen hoping to pick up some tips.

One thing he discovered early on is that he needs to relax, because every time the bullpen phone rings, he gets an adrenaline rush thinking it could be for him.

"Just stay loose between innings," Corbin said of some other advice he got. "Just get up and walk around, play catch with the outfielders."

Second opinion confirms Hudson's diagnosis

MILWAUKEE -- A second opinion confirmed the first: D-backs right-hander Daniel Hudson has a complete tear of his ulnar collateral ligament and will require Tommy John surgery.

D-backs manager Kirk Gibson said Hudson would likely have a surgery date set Monday.

Hudson got a second opinion from Dr. Lewis Yocum and it appears likely that Yocum will perform the surgery, which has become almost commonplace in baseball since it was first performed in 1974 by Dr. Frank Jobe.

The recovery time is generally 12 months.

"Obviously, the success rate kind of speaks for itself," Hudson said Wednesday when he first learned of the tear. "People on my end, we're still keeping my fingers crossed. It's not a 100-percent success rate. ... I've got to go out there and get my rehab done and make sure I'm doing what I need to do to get back on the field as soon as possible."

Sutton continues to be absent from broadcasts

MILWAUKEE -- D-backs television play-by-play man Daron Sutton has yet to reappear on the team's broadcasts and his scheduled appearance for FOX's national broadcast of Saturday's D-backs-Brewers game was cancelled by the network.

The D-backs have declined to say why Sutton has not appeared on their broadcasts since June 21, but multiple reports stated that he was suspended indefinitely.

Reports also stated that Sutton and the team clashed over wardrobe issues with the team wanting him to wear a D-backs logo polo shirt and Sutton preferring a coat and tie.

D-backs senior vice president of communications Josh Rawitch declined to say whether Sutton had been suspended. Rawitch did, however, take issue with the notion that the reason for Sutton's absence was because of a refusal to wear a D-backs logo polo shirt.

"That's just totally ludicrous and untrue," Rawitch said.

The team has declined to say when or if Sutton, who has been with the organization since 2007, will appear again on the broadcasts.

In Sutton's absence, radio play-by-play man Greg Schulte has been handling the TV duties with Jeff Munn taking over for Schulte on the radio.

Worth noting

• Josh Collmenter is back in the D-backs rotation thanks to the success he had coming out of the bullpen.

"I think he's got his mechanics a little cleaner now," manager Kirk Gibson said. "He's able to throw the ball where he wants to."

• Gibson continues to mix and match at third base. With Stephen Drew now getting the majority of the playing time at shortstop, Gibson is trying to find ways to keep Willie Bloomquist and John McDonald in the lineup.

Bloomquist started at third Thursday and McDonald was initially in the lineup there Saturday before being scratched with stiffness in his back.

• Infielder Geoff Blum (oblique) is hitting .206 in 11 injury-rehab games for Triple-A Reno.

• Reliever Takashi Saito (right calf) has not appeared in a game since June 14 because of an upper respiratory illness.

Steve Gilbert is a reporter for MLB.com. Follow him on Twitter @SteveGilbertMLB. This story was not subject to the approval of Major League Baseball or its clubs.