But Williams, in his second year with the Mets, is confident. The bluegrass he's selected, a hybrid mix of Midnight, Adelphi, Princeton 105, and Touchdown species, has the highest rating for traffic tolerance, disease and insect resistance, fertility rate, speed of establishment, and, yes, color. He points toward a patch near the warning track in right that already sports a deep green hue. "Isn't that beautiful?" It is.