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8/10/2014 12:45 A.M. ET

Dodgers want Ethier to be an option at first base

MILWAUKEE -- Displaced Dodgers outfielder Andre Ethier has been working out at first base this week, and he's not just killing time.

Manager Don Mattingly, who has been tutoring Ethier, said he sees Ethier as a viable alternative should something happen to regular first baseman Adrian Gonzalez. In previous years, Ethier has toyed with the position, and he played one inning there in a 2010 game.

"I've always liked him over there. His actions are good," Mattingly said. "I want to get him more comfortable. I'd like to have that option. If something happens to Adrian, we've only got Scott Van Slyke. I want to get him to do a few more things. It's not just take a few grounders. He has to get the ball out of a bigger glove, the footwork around the bag and getting used to the speed of ground balls."

Since Mattingly's decision to move Yasiel Puig to center field, Ethier has dropped to fifth outfielder, with Matt Kemp playing daily in right field, while Carl Crawford and Van Slyke platoon in left.

Hanley likely headed to DL with oblique injury

MILWAUKEE -- Still awaiting results of an MRI, the Dodgers on Saturday seemed resigned to the fact that Hanley Ramirez will require a stint on the disabled list due to a right oblique injury.

Manager Don Mattingly said the pregame injury that forced Ramirez from Friday night's game "doesn't sound good." The MRI was scheduled in the late afternoon, but after the game Mattingly said team doctor Neal ElAttrache still hadn't reviewed the results.

Darwin Barney was removed from Saturday night's Triple-A Albuquerque game in the third inning, so he seems to be the most likely replacement. Isotopes infielders Carlos Triunfel, Erisbel Arruebarrena and Alex Guerrero are also on the 40-man roster. Barney has the most big league experience, Arruebarrena is the best defender at shortstop and Guerrero the better hitter.

Ramirez, eligible for free agency after this season, has been determined to stay off the disabled list this year despite shoulder and calf injuries. Nonetheless, he has missed 25 starts.

Miguel Rojas, who replaced Ramirez on Friday night after one-half of an inning, started at shortstop Saturday night.

Ken Gurnick is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.