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Orioles acquire outfielder Alejandro De Aza in deal with White Sox

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With the deadline for postseason eligibility coming up on Sunday, the Baltimore Orioles have announced the 11th-hour acquisition of outfielder Alejandro De Aza from the Chicago White Sox to help fill out their bench for the September stretch and their potential postseason run. 

To explain the significance of adding De Aza before that deadline, all 30 MLB teams have a deadline of August 31 to have an added player be playoff-eligible. On September 1, roster’s can expand from 25 player’s to 40, but any player added to the roster after August 31 isn’t eligible for the postseason roster.

It's one of those baseball rules that tends to fly under-the-radar, but it creates a sense of urgency for general managers who might need to fill a hole that opens up post non-waiver trade deadline.

De Aza, 30, is hitting only .246/.312/.358 across the board in 435 plate appearances this season. He's also collected five home runs to go along with 31 RBIs and 15 stolen bases. In other words, he's not a difference-making hitter, but that's not a need for the Orioles anyway.

De Aza's value comes from his better-than-average speed, and his ability to play all three outfield positions, which is something just about every team could use. He's an ideal backup for a contender, and with Adam Jones, Nick Markakis and Nelson Cruz around in Baltimore's outfield, that's exactly what he'll be.

In return for De Aza, the White Sox will receive minor league pitchers Miguel Chalas and Mark Blackmar. Neither are considered impact prospects, so they'll simply serve as organizational depth for Chicago.

It's obviously not the most exciting trade, but the Orioles will hope their minor deal in August pays big dividends in October. 

Update: The Orioles weren't done dealing on Saturday. 

Another relatively minor deal, but the Orioles are obviously looking to add depth and experience.

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Mark Townsend is a writer for Big League Stew on Yahoo Sports. Have a tip? Email him at bigleaguestew@yahoo.com or follow him on Twitter!

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