Gjertsen undergoes arthroscopic knee surgery

Joey Gjertsen Spurs Match 071710_Don Deria 6

San Jose Earthquakes midfielder Joey Gjertsen underwent successful arthroscopic surgery on his right knee this afternoon. Gjertsen had the surgery performed by Dr. Michael Oberlander at Sequoia Surgical Pavilion in Walnut Creek.

The Tacoma, Wash. native last appeared as a substitute on Sept. 25 in a 3-2 win over Toronto FC. He has made 18 appearances in his first MLS season, starting 16 games, with one goal and one assist.

The Earthquakes host the Houston Dynamo Saturday night at Buck Shaw Stadium at 7 p.m. PT at Buck Shaw Stadium.

Tickets are on sale now for the Quakes home playoff game on Saturday, Oct. 30. Fans can purchase tickets online or by calling 800-225-2277. For groups of 10 or more, tickets can be purchased through the Earthquakes Front Office by calling 408-556-7700.