49ers notes: Anthony Davis had surgery

San Francisco right tackle Anthony Davis wrote on Instagram that he recently had shoulder surgery. He said he was hurt against Indianapolis in Week 3 but played through the injury.

Davis wrote he is excited that he will be able to play with two arms in 2014.

In an Insider piece, ESPN draft analyst Todd McShay had 49ers pass-rusher Aldon Smith as his 31st-best prospect of the past five yearsInsider. Smith was the No. 7 overall pick in 2011. On the field, he has been outstanding. However, his off-field issues have clouded his future with the 49ers.