And some notes too.
PHOENIX -- It was a good day for Major League bloodlines on Saturday at Chase Field. On the same day the Diamondbacks called up shortstop Stephen Drew, whose older brother, J.D., plays for the Dodgers, the Brewers called on outfielder Tony Gwynn Jr., whose father is in the Hall of Fame.
Gwynn got the call as Brewers third baseman Corey Koskie was placed on the disabled list with post-concussion syndrome, the result of a highlight-worthy defensive effort on July 5 at Miller Park. When Gwynn learned the news early Saturday morning, his first call was home to San Diego.
"He hates flying," Gwynn said of his dad, who played 20 Major League seasons for the Padres. "So he just hopped in the car and drove."
The younger Gwynn entered the season a career .261 hitter in three seasons since the Brewers made him their second-round pick in the 2003 First-Year Player Draft. But this year, he batted .305 (104-for-341) in 86 games at Triple-A Nashville and currently ranks second in the Pacific Coast League with 24 stolen bases and fifth with 104 hits. He was the PCL's starting center fielder in the Triple-A All-Star Game.
"I knew I had to be stronger and become more consistent at the plate," Gwynn said. "I think that came with more at-bats. You start to apply different things that you see, and the result is that you start putting up some numbers. Hopefully, that continues, whether it's here or back at Triple-A."
Gwynn arrived just before batting practice Saturday, just as Brewers general manager Doug Melvin and manager Ned Yost discussed the move. They considered promoting the versatile Vinny Rottino, who would have provided help for an infield missing Koskie and J.J. Hardy (ankle), but instead chose Gwynn because he is a left-handed hitter. When Gabe Gross starts in center field, as he did Saturday, the Brewers had no lefties on the bench.
Yost plans to stick with Brady Clark and Gross as the regular center fielders.
"We'll pick spots for Tony to play," said Yost. "But are we going to throw him in center every day? No, we're not doing that."
Koskie out: The team expected to get Koskie back in the lineup this weekend, but symptoms of dizziness and nausea returned after he went through a battery of strenuous physical and mental tests on Friday. Koskie was sent back to the team hotel before Friday's game.
"We don't know how long it will be," Melvin said. "It could be gone in two or three days, or it could be gone in a week, two weeks."
Koskie has not played since the injury on July 5, when he slid awkwardly trying to catch a Felipe Lopez foul pop. The ball popped out of Koskie's glove when he hit the ground, and shortstop Bill Hall plucked it out of the air to end the inning.
"It seemed like such a harmless play," Koskie said.
Koskie underwent a series of tests including a CAT scan to determine that there was no serious physical damage. His stint on the disabled list is retroactive to July 6, and doctors have advised that getting lots of sleep can speed Koskie's recovery.
"I could lay down right now and be out in a minute," Koskie said. "I'm tired, fatigued. They say it's day-by-day, that one day I you could wake up and all of a sudden you're fine."
Vote of confidence: Derrick Turnbow is in a rough stretch, but he is still the Brewers closer.
"He's our closer. Nothing changes," Yost said.
On Friday night, Turnbow entered with a 3-2 lead in the ninth inning and surrendered a Luis Gonzalez double and a Johnny Estrada, game-winning home run. Over his last five appearances, Turnbow has blown all three of his save chances and has a 34.71 ERA. His ERA for the season has ballooned from 3.28 to 5.21.
"I wouldn't call it a long slump," Yost said. "He's struggled a little bit lately, and it started with him not being able to command his breaking ball. He's worked through that a little bit. It's like any pitcher; you're going to have good nights and you're going to have bad nights."
Lineup notes: Yost posted another new lineup on Saturday, featuring Gross in the leadoff spot and Chris Barnwell playing second base. Barnwell replaced regular second baseman Rickie Weeks, Yost said, because Weeks is 0-for-9 with five strikeouts in his career against Arizona sinkerballer Brandon Webb.
"We're trying to find some offense right now," Yost said. "I'm trying to give our club every opportunity to score some runs."
Triple-A no-no: In his first start at Nashville, right-hander Carlos Villanueva combined with two relievers for the fifth no-hitter in Sounds history, beating division-rival Memphis on Saturday, 2-0, in front of 8,727 fans.
Villanueva posted a 4.31 ERA in six appearances, three starts, for the Brewers after a promotion from Double-A Huntsville, but he was sent down to Nashville just before the All-Star break. Making his Triple-A debut on Saturday, he threw 86 pitches in six hitless innings, striking out six and walking three for the win. Mike Meyers pitched the seventh and eighth innings and Alec Zumwalt came in for the ninth and fanned two of the three batters he faced, including a check-swing, game-ending strikeout of Jason Conti, a former Brewers outfielder.
On deck: Right-hander Dave Bush is scheduled to start against Arizona right-hander Claudio Vargas when the Brewers and Diamondbacks wrap their season series on Sunday. Bush has made five straight quality starts, going 1-1 in that span with a 2.57 ERA, and he beat the Diamondbacks on April 7 at Miller Park in his Brewers debut.