Washington Nationals second baseman Starlin Castro was in the midst of an excellent offensive start to the season when he sustained a broken right wrist Friday against the Orioles, a continuation of a contest from last weekend. Castro cedes way to rookie Luis Garcia, who figures to see a large amount of playing time in his absence, as he ranks as Washingtons No. 2 prospect. Castro had slumped to the tune of 2-for-18 in his last four games entering Friday, yet he remained entrenched in the No. ...