LONDON (Reuters) - Novak Djokovic's decision to work with American great Andre Agassi at the French Open could be an inspired move as he seeks to recover his lost spark, according to John McEnroe.
The Serb's insatiable appetite for grand slam titles appears to have waned since he won last year's French Open to take his career haul to 12 with motivational issues and niggling injuries contributing to a surprising slump in form.
