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5/8/2013 2:03 P.M. ET

Cueto set to start rehab assignment Thursday

CINCINNATI -- Reds ace Johnny Cueto will begin a rehab assignment Thursday with Class A Dayton, pitching a home game against Lansing. Cueto threw 25 pitches in the bullpen on Monday and felt no ill-effects in his oblique area.

"I feel pretty good," Cueto said Wednesday morning.

A while later, Cueto played catch on the field with Miguel Cairo and appeared to throw nice and easy.

Cueto has been on the 15-day disabled list with a strained right lat, but had a setback during an exam last week, when he felt soreness in the right oblique. That forced the Reds to push back the start of a planned rehab assignment at Double-A Pensacola.

Cueto's injured battery mate, catcher Ryan Hanigan, began a rehab assignment with Triple-A Louisville on Tuesday and went 1-for-2 with a single and a walk against Lehigh Valley. Hanigan, who has been on the 15-day disabled list since April 21 with left oblique and right thumb injuries, caught and played six innings.

Reds react to scary Happ injury on comebacker

CINCINNATI -- By Wednesday morning, many in the Reds' clubhouse had already seen the frightening video of Blue Jays pitcher J.A. Happ being struck in the head and face by a line drive against the Rays.

Reds pitcher Bronson Arroyo recalled another incident from 2005, also against the Rays, when former Red Sox teammate Matt Clement was hit in the head by Carl Crawford. Clement was never the same.

"You go out there and hope you don't get hit in a place that will kill you or end your career," Arroyo said.

Arroyo took a line drive off of his pitching hand during Spring Training. While fortunate not to break any bones, the seams of the ball were left imprinted on his knuckle for several days.

"You tend to forget about it, but then you get smoked one time like I did in Spring Training," Arroyo said. "You just realize that at the end of the day, you probably can't do anything about it. The ball is back on you so fast. You watch so many instant replays and you think you might try to make a catch on a ball, and it's four feet past you already. It's definitely scary. To be honest, it's just impossible to pitch with that on your brain. Inevitably, all of us have the same amount of chance of that happening to us. There's really no way around it."

The Blue Jays said Happ suffered a head contusion and a lacerated left ear, and he spent the night in the hospital. He was released Wednesday morning.

"That might be the worst thing in baseball you want to see," Reds pitcher Homer Bailey said. "Any one of us who get on the mound could [get hit]. You don't even really like talking about it."

There has been discussion around the game of improving safeguards to protect pitchers from line drives. It picked up steam last year, when former A's pitcher Brandon McCarthy, now with the D-backs, suffered a fractured skull from a line drive.

"The game has been played a long time. This is the way it's been," Bailey said. "It's very unfortunate, but we still have to keep it our game. There's been a lot of evolution. Most of it is for the better. What does that happen, once every 10 years? I don't think we can go adjust the whole program just for extremely unfortunate instances like that."

Arroyo said he has seen some prototypes of head protection and other proposals for pitchers, but did not think much of them.

"Where Happ got hit yesterday in the face, nothing is going to protect him from that, other than a full-on helmet," Arroyo said. "It's going to be difficult to pitch with a freaking helmet on it. I don't think there's anything they can do about it. It's just the way it is. The only thing you could do is throw every pitch on the inner half, but then you become kind of predictable and it makes it tough to get anybody out."

Reds manager Dusty Baker said changing this part of the game is difficult, especially considering how both pitchers and hitters approach the game.

"We were taught to stay on the ball and try to hit it back up the middle," Baker said. "I was talking to Hank Aaron, and he used to tell me [Bob] Gibson and Don Newcombe particularly hated the ball being hit back up the middle. Most of the time, the balls hit back up the middle are low and away, where pitchers are taught to throw them most of the time -- mostly fastballs.

"It's part of the perils and dangers of the game. I hate to see it happen, but we play a dangerous game sometimes."

Brennaman forgets signature call in walk-off excitement

CINCINNATI -- When back-to-back home runs by Devin Mesoraco and Shin-Soo Choo with two out in the bottom of the ninth gave the Reds a thrilling win against the Braves on Tuesday, something was slightly amiss. Radio listeners might have noticed that Hall of Fame radio broadcaster Marty Brennaman left out his signature game-winning call: "And this one belongs to the Reds."

Longtime radio producer and engineer Dave "Yid" Armbruster let Brennaman know.

"As I finished the call and went to a commercial break, within five seconds, Yid said, 'Guess what you forgot to say?'" Brennaman said Wednesday. "When I came back on, I said, 'For those of you who are concerned or about to pick up the phone and call, I forgot to say it. I know I did.' Then I said it.

"I would have never known I didn't say it. I was so caught in the moment. That's the kind of thing that shocks you."

It's not the first time it happened, however.

"In 40 years, I've done it probably a dozen times where I've forgotten because of a game like that," Brennaman said.

Worth noting

• Josie Shuler was named the Reds' honorary bat girl for Sunday's Mothers Day game against the Brewers. Shuler is one of 30 winners of the annual Honorary Bat Girl Contest, which recognizes baseball fans who have been affected by breast cancer and demonstrate a commitment to eradicating the disease.

Selected via fan votes and a special judging panel, Shuler will be recognized on the field during a pregame ceremony and take part in other pregame activities.

Mark Sheldon is a reporter for MLB.com. Read his blog, Mark My Word, and follow him on Twitter @m_sheldon. This story was not subject to the approval of Major League Baseball or its clubs.