Nunez (elbow) will begin a rehab assignment with Single-A St. Lucie on Thursday, Michael Mayer of MetsmerizedOnline.com reports.
Nunez is less than a year removed from undergoing Tommy John surgery but has already been cleared for game action. Barring any setbacks, the reliever appears in line for his season debut shortly after the All-Star break. Nunez boasts a 2.82 ERA and 59:14 K:BB over 44.2 innings during his time with the Mets.