Rafael Nadal is through to his 16th quarter-final at the Madrid Masters following a thrilling victory over David Goffin. Nadal saved four match points in a 6-3, 5-7, 7-6 win in three hours and nine minutes of entertaining tennis.Rafa had a chance to seal the deal in straight sets, squandering two match points in the second set’s games nine and ten and allowing David to steal the set and stay in touch. Both players served well in the decider, and the result went back and forth in the tie break before Nadal prevailed 11-9 after denying four match …