The Miami Hurricanes have lost their second major player to injury in the past week, and this one is doubly distressing to the Hurricanes’ passing game as No. 7 Miami (10-1, 7-1 Atlantic Coast Conference) gets ready to face No. 1 Clemson (11-1, 7-1) on Saturday night in the ACC Championship Game. Five days after senior tight end Christopher Herndon sustained a season-ending knee injury on Friday at Pittsburgh, sophomore receiver Ahmmon Richards, who last year broke Canes’ legend Michael Irvin’s freshman school receiving record, injured his knee Wednesday morning during practice and was carted off Greentree Field.