Read - Kyle Schwarber passes first real test at first base with solid defensive day - and more Phillies news and rumors at ...

The potential benefit, though, is clear. Castro has slashed just .191/.268/.286 as a lefty batter in his major-league career ...

Read - Andrew Painter takes big step, 'feeling good' after facing live hitters - and more Phillies news and rumors at PhilliesNation.com.