Ryan Vogelsong or Yusmeiro Petit could make a spot start next Thursday in the final game of a three-game series against the Dodgers.
A supporter since he was 13, Sunday's opening marked special a day for Quakes striker Chris Wondolowski.
Thomspon called up for U.S. Under-20 camp, Alashe for Under-23's.
Chris Wondolowski slammed home two goals in San Jose's unexpected road win against the Seattle Sounders.
After failing to trade up, San Jose settles for Michigan State All-American Fatai Alashe.