Yes to Darling, Hernandez, and Oquendo, who all played on the Mets in ‘83.
Yes to Mitchell and Dykstra, the two most successful hitters from the prospects.
Yes to Eddie Williams. In addition to being a first round pick for the Mets, he was the first overall selection in the 1985 Rule 5 draft and debuted with Cleveland in 1986. 395 MLB games between 1986 and 1998 (with some time in Japan as well).
No to Backman. After spending ‘82 entirely in the majors, Wally was back in Tidewater for most of ‘83; he only had 45 PAs in the majors that year.