The Key Biscayne tennis lovers saw the exit of two notable men’s seed at the 2015 Miami Masters on an otherwise uneventful Sunday. Rafael Nadal was not expected to lose against his countryman Fernando Verdasco nor was Stan Wawrinka against Frenchman Adrian Mannarino. But while the second seed Nadal went down in three sets after not such a bad game, Wawrinka’s match against Mannarino had both sets