Matthew Gregory Wallach
- Bats Left, Throws Right
- Height 6' 2", Weight 190 lb.
- Schools California State University, Fullerton, Cypress College
- High School Orange Lutheran High School
Wallach hit .346 as a high school junior and .356 as a senior; his coach was former major leaguer Mark Langston. He hit .301 in two years at junior college and was taken in the 23rd round of the 2005 amateur draft by the New York Yankees. He decided to transfer to his dad's alma mater, Cal State Fullerton, instead. As a senior, he hit .255/.384/.418. He was selected by the Los Angeles Dodgers in the 22nd round of the 2007 amateur draft and made his pro debut that summer with the Ogden Raptors, hitting .297/.393/.465 with 3 homers in 32 games.