 On June 29, 2004, Valenzuela announced he would return to the mound in the Liga Mexicana del Pacífico (the Mexican Pacific Coast League) to play for Los Aguilas de Mexicali in October; he was nearly 44 years old at the time.He pitched again in the Mexican winter league during the 2005–06 season.On December 20, 2006, in Mexicali, BC, Mexico, Fernando Valenzuela was the starting pitcher for Los Aguilas de Mexicali in the last professional game of his career.