Angel Villalona went 2-for-3 with a homer in the San Jose Giants' Single-A opener against Stockton on Thursday. Villalona hit 17 homers in 2008 for Single-A Augusta. Tim Alderson, the Giants' second ranked pitcher, threw four scoreless innings. The righty struck out two and scattered five hits. Buster Posey, the Giants' first round pick in 2008, went 0-for-3. Click here to view RealGM's prospect page on the San Francisco Giants.