Tabarez added goalkeeper Martin Silva and midfielder Miguel Amado of Defensor Sporting and midfielder Jorge Rodriguez of Uruguay's River Plate to the 22 foreign-based players he named last week.
Uruguay, sixth in the 10-nation South American group with 18 points and four matches to go, face Peru in Lima on September 5 and Colombia at the Centenario in Montevideo four days later.
Brazil, who have 27 points, lead the way. The top four qualify for the 2010 finals in South Africa and the fifth-placed country goes into a playoff with a team from the CONCACAF region. Also above Uruguay are Chile with 26 points, Paraguay 24, Argentina 22 and Ecuador 20.
Squad:
Goalkeepers - Juan Castillo (Botafogo), Fernando Muslera (Lazio), Martin Silva (Defensor Sporting)
Defenders - Diego Lugano (Fenerbahce), Martin Caceres (Juventus), Diego Godin (Villarreal), Andres Scotti (Argentinos Juniors), Carlos Valdez (Reggina), Bruno Silva (Ajax Amsterdam), Jorge Fucile (Porto)
Midfielders - Walter Gargano (Napoli), Alvaro Fernandez (Vitoria Setubal), Sebastian Eguren (Villarreal), Alvaro Pereira, Cristian Rodriguez (both Porto), Jorge Martinez (Catania), Diego Perez (Monaco), Miguel Amado (Defensor Sporting), Jorge Rodriguez (River Plate, Uruguay)
Forwards - Luis Suarez (Ajax), Sebastian Abreu (Aris Salonika), Edinson Cavani (Palermo), Rodrigo Lopez (Velez Sarsfield), Sebastian Fernandez (Banfield), Diego Forlan (Atletico Madrid)
