ANAHEIM ANGELS Placed C Todd Greene, 2B Randy Velarde, and RHP Pep Harris on the 15-day DL; returned LHPs Rich Robertson and Greg Cadaret, C Ben Molina, and 1B Troy Neel to minor-league camp; assigned 1B Chris Pritchett to minor-league camp for work purposes. [3/19] Greene’s and Velarde’s injuries have been casting a pall over…