Brett Alexander Wallace (born August 26, 1986 in Sonoma, California) is a Major League Baseball first baseman for the Houston Astros.
A 2005 graduate of Justin-Siena High School in Napa, California, Wallace earned four varsity baseball letters for head coach Allen Rossi. He helped lead Justin-Siena to a 97-9 record during his prep career, including a perfect 27-0 senior season. He broke nine school records during his prep career and holds single-season school records for walks, runs, hits, RBI, home runs and slugging percentage. Among his numerous accolades, Wallace was named a Collegiate Baseball/Louisville Slugger All-American and 2005 first-team All-State (CalHiSports.com) and 2005 California Small Schools Player of the Year. He was also a four-time All-Marin County Athletic League selection, 2004 and 2005 All-Napa County Offensive Player of the Year.
Wallace is a two-time Pac-10 Player of the Year (2007 & 2008) and a two-time Triple Crown Winner at Arizona State University. He was the 12th Sun Devil to win the Pac-10 Player of the Year award and the first since Dustin Pedroia shared the award in 2003. Wallace played 3B for the Sun Devils, teaming with now New York Mets first baseman Ike Davis at 1B. The 2008 ASU squad also featured Cincinnati Reds pitcher Mike Leake and San Diego Padres pitcher Josh Spence.