Pitbull signs with Polo Grounds Music/RCA Music Group and readies his new album “Rebelution” slated for a September 1st, 2009 release Pictured here from left to right are: Bryan Leach/President, Polo Grounds Music; Pitbull; Barry Weiss/President, RCA / Jive Label GroupPhoto credit:Â Courtesy of Polo Grounds Music/RCA Music Group