2009 San Francisco 49ers season
The 2009 San Francisco 49ers season was the franchise's 64th season , 60th in the National Football League , and the first full year with Mike Singletary as head coach after being named interim head coach in 2008 . 
<triplet> 2009 San Francisco 49ers season <subj> San Francisco 49ers <obj> season of club or team <triplet> San Francisco 49ers <subj> National Football League <obj> member of