On the first day of the international signing period, the A's on Friday came to terms with a trio of teenage Venezuelan prospects.

Oakland announced agreements with left-handed pitchers Anderson Mata and Jose Torres, as well as with third baseman Renato Nunez. After physicals and approval of their contracts by Major League Baseball, the three will report to the A's Dominican Republic complex.

Nuñez, 6-foot-1 and 185 pounds at 16, hails from Valencia. His signing bonus was reported as $2.2 million by Baseball America.

Mata, 5-foot-11 and 165 pounds, is a 17-year-old from Margarita. Torres, 16 and from Caracas, is a lean 6-foot-2 and 155 pounds.

In addition, Oakland announced an agreement with catcher John Nester, its 39th-round pick in the 2010 First-Year Player Draft, out of Clemson University.