McCutchen, 29, has pitched to a 4.77 ERA in 188 2/3 innings in parts of four seasons with the Pirates. He was acquired by the Buccos along with Jeff Karstens, Ross Ohlendorf and Jose Tabata in 2008 as part of the trade that sent Xavier Nady and Damaso Marte to the Yankees. McCutchen has totaled a 3.66 ERA, 6.8 K/9 and 1.8 BB/9 in 403 1/3 Triple-A innings.
Meyer, 31, last appeared in the big leagues in 2010 with the Marlins. The southpaw was once traded by the Braves along with Juan Cruz and Charles Thomas to the A's in exchange for Tim Hudson. He has a 5.46 ERA in 113 2/3 Major League innings. He's spent the past two seasons pitching for the Pirates' Triple-A affiliate and in independent ball, posting ERAs over 7.00 each year.
Simons, 27, spent last season pitching to a 3.57 ERA between Double-A and Triple-A in the Rockies' organization. He's fanned 7.1 hitters per nine innings over the course of 589 minor league innings but also walked four batters per nine. He was a second-round pick of the Rockies back in 2005, but has also spent time in the Tigers and Marlins organizations.