The 26-year-old Cowgill hit .269 with two doubles, one homer and nine RBIs in 38 games and 104 at-bats with Oakland last season. He also batted .254 at Triple-A Sacramento with 17 doubles four homers and 37 RBIs in 61 games and 260 at-bats. Cargill made his big league debut with Arizona in 2011 and had two RBIs in the NL division series against Milwaukee.
Marte batted .251 with 20 doubles, three triples, nine homers and 59 RBIs in 129 games for Double-A Binghamton last season.
The trade was announced Tuesday.
Nakajima gets two-year deal with Oakland
OAKLAND, Calif. (AP) The Oakland Athletics have agreed to terms of a two-year contract with shortstop Hiroyuki Nakajima of Japan's Seibu Lions.
The deal announced Tuesday runs through the 2014 season and includes a club option for 2015.
Nakajima, a seven-time Pacific League All-Star, has a .302 batting average with 149 home runs, 664 RBIs and 134 stolen bases over 11 seasons with Seibu.