The 13-time Roland Garros champion Rafael Nadal is giving his best to prepare for the second Major of the season. The 21-time Grand Slam winner has been dealing with a foot injury since the Rome Masters, barely finishing his quarter-final match at the Foro Italico.Rafa trained at his home in Mallorca on Tuesday, and the spectators could see that he was far from his best, struggling to run but giving it his all to finish the training session. Nadal must arrive in Paris on Wednesday with his doctor and hope for the best before his favorite tournament.Nadal has won 13 of the previous 1 …