Juan Martin del Potro is in the quarter-finals of the Miami Open. Erik S Lesser / EPA
Juan Martin del Potro is in the quarter-finals of the Miami Open. Erik S Lesser / EPA
Juan Martin del Potro wary of Milos Raonic threat ahead of Miami quarter-final
Argentine beats Krajinovic on Tuesday as he bids to win back-to-back Masters titles
Agence France Presse
March 28, 2018
