Moss a "low risk" signing for 49ersSI.com's Andrew Perloff takes a look at the 49ers signing of the newly unretired Randy Moss and how the controversial wideout could help or hurtSI Staff|Share on FacebookShare on XAdd us as a preferred sourceSI.com's Andrew Perloff takes a look at the 49ers signing of the newly unretired Randy Moss and how the controversial wideout could help or hurt San Francisco.Add us as a preferred source on GoogleFollowLoading recommendations... Please wait while we load personalized content recommendationsPublished Mar 13, 2012 | Modified Mar 13, 2012SI STAFFShare on FacebookShare on XHome/NFL