Niese has been traded back to the Mets in exchange for Antonio Bastardo, Jon Morosi of MLB Network reports.

EDGE Analysis

The 29-year-old has struggled this season with the Pirates, posting a 4.91 ERA and 1.55 WHIP in 110 innings. Niese will head back to the Mets, where he found success as a starting pitcher. Niese should slot in as the fifth starter for the Mets, with Zack Wheeler still on the disabled list and Matt Harvey done for the season.