Giants' Dan Uggla and Tyler Colvin designated for assignment

The Giants have designated second baseman Dan Uggla and outfielder Tyler Colvin for assignment, the team announced Friday. Uggla was signed by the Giants on

The Giants have designated second baseman Dan Uggla and outfielder Tyler Colvin for assignment, the team announced Friday.

Uggla was signed by the Giants on July 21 after being released by the Braves. He was initially sent to Triple-A but was recalled when Marco Scutaro went on the disabled list July 25. 

Uggla started four games for the Giants and went hitless in 11 at-bats, dropping his season average to .149.

Colvin appeared in 57 games this season for the Giants and batted .223. 

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The Giants called up Matt Duffy and Jarrett Parker from Double-A Richmond to take Uggla's and Colvin's spots on the roster.

Duffy, a 23-year-old shortstop, batted .332 in 97 games for Richmond. He also made appearances at second and third base.

Parker is a 25-year-old outfielder who batted .275 with a .463 slugging percentage in 99 Double-A games this season.

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- Dan Gartland