They must be, because as of Saturday, Bradford's only backup on the 53-man roster was Austin Davis, an undrafted rookie.
"I don't think so," Fisher said. "Austin's done a great job. He's picked up this offense, which is not easy to do in a short time, and he's done a good job. But Kellen's been in this offense for six or seven years and he has a good sense, a good feel for it."
Apparently not good enough.
We don't expect the Rams to enter this season with a newbie (no matter how precocious) as Bradford's lone understudy. They'll pull someone off the waiver wire; someone Fisher can trust.
Besides, Bradford doubled as a china doll in 2011. He enjoyed a solid preseason, but the Rams remain concerned about his sticky left ankle, which led to the quarterback missing six games last season and hasn't completely healed.
Follow Marc Sessler on Twitter @MarcSesslerNFL.