in 1969, dilauro pitched 4 games for the mets aaa minor league affiliate, the tidewater tides. he was then promoted to the mets and made his major league debut for the mets on may 15, 1969, against the atlanta braves. in 1969, he pitched in 23 games, mostly in relief, and 63 innings for the mets. he won 1 game against 4 losses with 1 save. the win, his first in the major leagues occurred on july 20 against the montreal expos. his era in 1969 was a solid 2.40, better than league average. the mets won the world series in 1969, but dilauro did not pitch in the postseason.