Messi vs. Ronaldo: Who had the better UEFA Champions League campaign?

After missing the last four matches with knee and muscle problems in his left leg, Cristiano Ronaldo has returned to training with Real Madrid. The reigning FIFA Ballon d'Or winner is currently the leading goalscorer in the UEFA Champions League (14) and is on the cusp of taking yet something else from his most fiercest rival, Lionel Messi.