LAKE BUENA VISTA, Fla. -- Astros left-hander Wandy Rodriguez won't make his next scheduled Grapefruit League start Tuesday against the Orioles in Sarasota, Fla., after being diagnosed with mild tendinitis in his right shoulder. The Astros have not announced a starter for the game.

Rodriguez has made three starts this spring, throwing 8 2/3 innings and allowing nine earned runs, six of which came in his first outing of the year. His previous two outings have been better, including Thursday against Washington, in which he allowed four hits and one run and struck out four batters in four innings.

Rodriguez, the Astros' Pitcher of the Year in 2009, overcame a slow start last year and wound up going 11-12 with a 3.60 ERA. He was 8-2 with a National League-leading 2.03 ERA in his final 18 starts of the season, parlaying that into a three-year, $34-million contract extension.

He's battled various nagging injuries in his career, including a strained left groin that put him on the disabled list in 2008. He also battled a strained oblique injury in 2008, but it didn't cause him to go on the disabled list. Rodriguez also had a strained right hamstring in 2009 and dealt with back spasms last year.

Astros general manager Ed Wade said Aneury Rodriguez, a Rule 5 pick, would be available to start on Tuesday. With that in mind, Aneury Rodriguez pitched in only one inning Sunday against the Braves.

Quintero pleased to be paired with Myers

LAKE BUENA VISTA, Fla. -- Astros manager Brad Mills said Sunday that catcher Humberto Quintero will begin the season as the personal catcher of Brett Myers, who's expected to be the Astros' Opening Day starter April 1 against the Phillies.

"I'm glad and I hope I get more opportunities to play and get ready," Quintero said.

Quintero, a strong-armed backup who's now competing for a starting role now that Jason Castro is likely out of the year, caught Myers' final 17 starts of last season. Myers was 9-2 with a 2.71 ERA in that span, and repeatedly praised Quintero's game-calling abilities.

"We're on the same page," Quintero said. "We're always talking about hitters and stuff before the game, and we put everything together and we're doing good like that. Myers is always happy, man. No matter what happens, he always throws good. He always competes and is thinking and learning about hitters, and that's why he's so good."

J.R. Towles caught Myers' first five starts of last year, and Kevin Cash caught his next nine starts. Jason Castro caught him twice before Quintero took over on July 4.

Feeling good is key for Norris in spring

LAKE BUENA VISTA, Fla. -- Working on his two-seam fastball and his changeup, Bud Norris was pleased to get through his start Sunday against the Braves without any health complications. He left his previous start Monday with a mild right hamstring strain.

"One of my concerns was the leg and see how it held up, but it felt pretty good for the most part," said Norris, who wore a brace on the hamstring. "It got a little sore towards the end, but it's going to get better over time."

Norris pitched three innings, allowing five hits, two walks and five earned runs, including home runs to Wilkin Ramirez in the second inning and Chipper Jones in the third. He threw a spring-high 69 pitches, including 40 for strikes.

"Just the biggest point right now is getting the pitch count up there, and I felt pretty good," Norris said. "The slider wasn't where I wanted it to be today. The first home run, it definitely hung up there and the guy made a good swing on it, so I'm still working on stuff. All in all, I was worried about getting my pitch count up there."

Norris tried to throw an 0-2 fastball inside to Jones, but gave up a two-run homer.

"I was ahead in the count, and I might have attacked it differently in the season, but when you're working on stuff, you're working on stuff," he said. "I tip my cap to him. He made a good swing, and he usually does. Like I said, I was out to keep my pitch count up."

Worth noting

Telvin Nash, an outfielder from Minor League camp who traveled with the Astros' split squad to play the Braves, hit perhaps the longest home run in the history of Champion Stadium in the ninth inning Sunday. Nash, who's from Griffin, Ga., sent a pitch from Cristhian Martinez over the tall scoreboard in left-center field. He has 14 career homers in 355 career Minor League at-bats.