Coach Sommer McCartney is the Assistant Coach at Saddleback College in Mission Viejo, CA now in his third season as a full time instructor and assistant coach after being hired in the summer of 2006. He teaches Health and Kinesiology at Saddleback. From 2001 through 2005 he was the head coach at Aliso Niguel High School where he won back to back Seaview League championships.
Sommer is originally from San Jose and played football, soccer and baseball at Willow Glen High School. After high school he went to San Jose City College and played for coach Barry Woodhead. He transferred to UC Riverside and played for coach Jack Smitheran. In 1994, his UCR team went to the NCAA Division II College World Series in Montgomery, Alabama. Sommer signed with the Florida Marlins as a catcher in 1994 and played until 1997.