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Moore returns to D.C. after a 12-game stint with Syracuse, hitting .178 (8-for-45) with two doubles, two homers and eight RBI. Demoted earlier this month after a wretched start to his season — he hit .158 with two homers in 38 games — the 26-year-old hoped to get his swing back on track in the minors.
The Nationals probably would have preferred to keep Moore in Syracuse a bit longer, but they could suddenly find themselves needing another right-handed outfielder on their big-league roster after Werth had to depart Sunday's game with a tight groin.
Werth said he hoped the injury wasn't serious and that he might be able to return tonight, but the Nationals don't want this seemingly minor injury to turn into something far more damaging the way Werth's hamstring strain in May wound up costing him a month on the DL.
Moore officially takes the roster spot of Haren, who learned on Sunday he was being placed on the 15-day DL with right shoulder inflammation. The veteran right-hander, 4-9 with a major-league-worst 6.15 ERA, noted he had dealt with some shoulder stiffness in recent starts but felt like it wasn't serious enough to prevent him from continuing to pitch. The Nationals decided not to take any chances and planned for Haren to get an MRI on the shoulder.
The Nationals still have several roster decisions to make in the next few days. They'll need a starting pitcher to take Haren's spot Saturday in New York, with reliever Ross Ohlendorf and prospects Taylor Jordan and Nate Karns among the candidates. They also could get outfielder Bryce Harper back by the weekend, assuming Harper's rehab stint at Class A Potomac (which begins tonight) goes smoothly.