Willi Heinz warns Gloucester to be wary of Francois Hougaard

Willi Heinz is relishing a reunion with Super Rugby rival Francois Hougaard but has warned Gloucester to be wary of the electric scrum-half.The duo locked horns for several years down under with Heinz at the Crusaders and the Springbok ace at the Bulls - two of the most successful teams of recent years.Now focusing on sevens and the chance to represent South Africa and the Blitzboks at the Olympics, Hougaard is on a short-term loan at the Warriors to aid their survival bid.But the Gloucester..., Willi Heinz warns Gloucester to be wary of Francois Hougaard