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7/30/2014 4:35 P.M. ET

Chavez retires after 17 seasons

CINCINNATI -- D-backs infielder Eric Chavez has decided to retire after 17 big league seasons.

Chavez, who has been on the disabled list since June 8 with an injured left knee, hit .246 for Arizona this year.

The 36-year-old spent the first 13 years of his career in Oakland, where he won six American League Gold Gloves at third base for the A's.

Chavez spent the 2011 and '12 seasons with the Yankees before signing with the D-backs as a free agent.

In his first season in Arizona, Chavez hit .281 and was a big contributor despite missing time with various injuries.

The D-backs re-signed him and he injured his left knee during Spring Training, but he tried to play through it early in the season before finally going on the DL.

"I'm just so close to the end, you know, where I've got to worry about feeling good for the rest of my life," Chavez said in late June when asked if he was thinking about retirement.

Chavez was a career .268 hitter over 1,615 games.

"I took advantage of [being around him], in how I approach my game and defensively," third baseman Martin Prado said. "He taught me how to handle rough times and good times, trying to be the same player every day. He's a guy that always had knowledge to let you understand the game and respect the game. He did it. It's a shame that injuries kept him from doing more, but what he did was unbelievable. It was an honor for me to play with him."

Towers waiting to hear back on potential deals

CINCINNATI -- With the clock ticking towards Thursday's 1 p.m. MT non-waiver Trade Deadline, D-backs general manager Kevin Towers is waiting to hear back from some teams on potential deals.

"It's kind of in the other ballclub's court right now," Towers said just before the start of the D-backs' game with the Reds on Wednesday afternoon. "I think we all know there's a couple of potential deals out there that we've told clubs that to move this particular player, this is what we'd do. If they meet that, we do something. If not, we don't."

Arizona's brass took a copy of the team's 40-man roster and put stars next to the names of players it feels are building blocks going forward and therefore not people they would want to give up. They also ranked the prospects in the Minor League system to see where areas of depth might be.

"Starting pitching is probably No. 1 not only for our big league club, but for our system," Towers said of his team's needs. "And probably catching and then probably the outfield. So our focus in any trade discussion is probably in those three areas."

The D-backs do have lots of depth in the infield, with Martin Prado and Aaron Hill among the veterans who have seen their names pop up in trade rumors.

"In the right deal, maybe," Towers said of dealing from his depth. "But I think when you look at our middle infielders, I really don't want to part with any of them, especially our young guys."

Towers said the trade market has been quieter than what he expected given the parity in baseball, but that of course could change in the hours ahead.

"We don't like to be in this position," Towers said. "The last three years we've been in buy mode and this year they're asking us about our big league players, not our prospects. It's not a position we want to be in, but this is an opportunity to hopefully make us better in the future if we end up doing something."

Parra tuning out trade rumors

CINCINNATI -- D-backs outfielder Gerardo Parra has seen the rumors that he could be dealt before Thursday's 1 p.m. MT Trade Deadline, but he is trying to keep his focus on the field.

"I try not to think anything about it because I'm happy being here," Parra said. "I'm happy being with the Diamondbacks. But that's baseball. Today you play and tomorrow you could play for another team. But I don't want to think about it and put pressure on myself. I'm going to play hard today and play to win."

Parra's offensive production has dipped this year and advanced defensive metrics suggest that his defense has not been at the Gold Glove level it has been at, but he has picked up the pace recently at the plate.

"I feel good now," he said. "I feel good in the second half. I want to try to finish strong."

Parra is making $4.85 million this year and will get an increase this offseason in his final year of arbitration.

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.