Helfrich, a native of Oregon, is the third straight offensive coordinator to be promoted to the top job, following Kelly and his processor,Duke Johnson Jersey
, Mike Bellotti. He is an unassuming guy, in marked contrast to Kelly's frequent sarcasm and sometimes brusque demeanor.
"They're just different in the way they deliver their messages, really. Different personalities," defensive lineman Arik Armstead said. "Nothing's really changed football-wise. Practice and schemes and all that stuff is the same. But the way they talk to us and interact with us is a little different."