Samuel could't participate in recent minicamp because of a 'tweaked hip'
Shanahan's offense could be powered by talented group of backfield players
Garnett played just 59 snaps all of last season on offense for the 49ers
Garoppolo, coming off knee surgery and a long rehabilitation, also worked with House before recent OTAs
Shanahan says there's no clear favorite between Mullens and Beathard right now
One coach calls Coleman signing this spring 'the equivalent of a March Christmas'
With pass rushing help from the outside now, Buckner could thrive on the inside of the defensive line
At the University of Washington, Pettis returned nine punts for touchdowns
Staley says, "I want nothing more than to complete my entire career here"
Ward has a long history of injuries with 49ers, but Lynch, Shanahan and Saleh still see him as a talented player and leader