Complex sentence: With Piazza on the roster, Hundley attempted to make a comeback as a leftfielder, but his attempt to play leftfield for the Mets was unsuccesful and he was was traded to the Los Angeles Dodgers on December 1,1998.
Split into simpler sentences: With Piazza on the roster, Hundley attempted to make a comeback as a leftfielder. His attempt to play leftfield for the Mets was unsuccesful and he was was traded to the Los Angeles Dodgers on December 1,1998.