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04/09/10 8:38 PM EST

Watch Chapman's US debut on Sunday

Cuban lefty set to face Mud Hens on MLB.com

CINCINNATI -- When Cuban sensation Aroldis Chapman makes his debut on Sunday for Triple-A Louisville, fans will be able to watch it for free.

Louisville's 2 p.m. ET game against the Toledo Mud Hens will be streamed live on Reds.com and MLB.com.

In five games, including one start, during Spring Training, the 22-year-old Chapman had a 1.69 ERA. Over his 12 2/3 innings, he walked seven and struck out 15. His chances to earn a spot in the big league rotation were hampered by back spasms on March 22. He has since pitched without any issue.

In Sunday's start, Chapman will be limited to 75-85 pitches.

Speaking of Louisville, the Bats have a pretty formidable five-man rotation this season. After Thursday starter Sam LeCure, it has 2009 Reds Minor League Pitcher of the Year Travis Wood, Matt Maloney, Justin Lehr and Chapman.

Arroyo expected to make next start

CINCINNATI -- Anyone who waits for Reds pitcher Bronson Arroyo to miss a start because of an injury might feel like the Maytag repairman.

Arroyo's personal streak of dependability appears to be safe and sound. The right-hander, who was nailed on the left calf by a Colby Rasmus line drive in the fourth inning of Thursday's 2-1 Reds win over the Cardinals, is expected to make his next start on Tuesday vs. the Marlins in Miami.

"Oh, I'm fine. I could pitch today if I had to," Arroyo said on Friday.

Arroyo was bothered by the sore leg during his start, but he stayed in the game and had a stellar eight-inning, one run no-decision. With a large welt on his calf, he was noticeably limping around the clubhouse afterwards and received treatment from the training staff.

"Drugs are good. I walked out of here yesterday and could barely walk," Arroyo said. "And about four hours later, the anti-inflammatories hit hard. I was feeling pretty good. It's 80 percent already. I feel pretty good. It's 80 percent already. I couldn't believe it. I thought I was going to be hobbling in here today."

Arroyo, 33, has pitched 200 or more innings in each of the past five seasons, making at least 33 starts in that span. He has never been on the disabled list in the big leagues, nor has he missed a start because of an injury.

"Taking the ball 34 times a year probably means more to me than any other stat there is," Arroyo said. "It kind of falls by the wayside sometimes, because if you don't do well, it doesn't mean a whole lot. It's all wrapped up in that 200-inning thing. Durability, it's tough to find these days. I always pride myself on that. Being a thin guy, I knew people probably didn't think I could handle the grind of a Major League season being a starter."

Baker's lineups are subject to change

CINCINNATI -- With the exception of Opening Day, Reds manager Dusty Baker's lineups have been very similar in the first eight spots. The only exception was on Thursday, when Ryan Hanigan caught and batted eighth for Ramon Hernandez. Jonny Gomes, who delivered Thursday's walk-off homer for the 2-1 win, batted seventh for the third game in a row.

"I ran a different lineup on Opening Day and got more [heat] for it than anybody. You can't please everybody," said Baker, who batted Chris Dickerson leadoff and in center field instead of Drew Stubbs on Monday and started Laynce Nix in left.

"Lineups are always subject to change depending on who has had success against who, who hasn't had success against who and my opinion of who can hit who, who has the best chance of hitting somebody and also who needs a day off or day game after night. We're trying to preserve our guys for the whole season. It's not like I just pull it out of some hat or something. I use much thought, numbers, how a guy is swinging. There are different things that you do."

Worth noting

CINCINNATI -- Bronson Arroyo has made eight starts of at least eight innings without allowing more than one run since the beginning of last season. According to the Elias Sports Bureau, it tied him with Zack Greinke and Tim Lincecum for second most behind Cliff Lee, who did it 10 times. ... On Saturday, Reds starter Aaron Harang will be facing Cubs ace Carlos Zambrano for the eighth time in their careers. In those head-to-head meetings, Harang is 4-2 with a 4.30 ERA, while Zambrano is 1-5 with a 6.37 ERA. ... During pregame ceremonies, the Reds Community Fund presented a $50,000 donation to Cincinnati Public Schools and representatives from 10 varsity teams in the district. Each will receive a $1,500 stipend for uniforms, equipment and expenses, while the Clark Montessori School will get funding for additional upgrades and investments to Brandon Phillips Field.

Mark Sheldon is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.