New Zealand’s Richie McCaw could miss World Cup final if cited over elbow

• Captain struck South Africa’s Francois Louw during semi-final• Incident may be passed to citing officer for disciplinary actionRichie McCaw could miss the World Cup final if he is deemed to have deliberately elbowed Francois Louw in the first half of the semi-final. The All Blacks captain struck Louw on the forehead after 20 minutes, sending the openside flanker reeling with a blow that may be passed to the citing officer on Sunday.Louw finished the match with two wounds to his forehead requiring a total of 20 stitches. When asked how he received the cuts, the Bath flanker said: “I’m not sur…