Donaldo Mendez, 25, batted .226 (19-for-84) with six doubles, two home runs and nine RBI in 26 games for the Padres last season. He spent the remainder of 2003 at Triple-A Portland, where he hit .226 (81-for-358) with 17 doubles, six homers and 36 RBI in 102 games.
Selected from Houston in the Major League Rule 5 Draft on December 13, 2000, Mendez appeared in 72 career games for the Padres, batting .183 (37-for-202) with eight doubles, one triple, three home runs and 14 RBI.
With today's transaction, San Diego's 40-man roster stands at 37 players.
His inclusion on the 40-man roster was a surprise by most outside of the organization.