DELRAY BEACH, FL - FEBRUARY 18: Juan Martin Del Potro of Argentina speaks during a press conference at the Delray Beach Open held at the Delray Beach Tennis Center on February 18, 2019 in Delray Beach, Florida (Photo by Peter Staples/ATP World Tour)
DELRAY BEACH, FL - FEBRUARY 18: Juan Martin Del Potro of Argentina speaks during a press conference at the Delray Beach Open held at the Delray Beach Tennis Center on February 18, 2019 in Delray Beach, Florida (Photo by Peter Staples/ATP World Tour)