NFL wide, most of those 7th rounders will be cut. Mumpfield is a relative rarity and he might not even make it on to our 53 this year. His spot might have just been drafted.
They made it clear they're pretty happy with our linebackers after adding one free agent. They made it pretty clear they're happy with their safeties as well. Like I said, I see it as a confirmation that they like what we have and they want to spend camp developing those guys. What position would you want to flood with quantity to take up a spot on the 53?
I look at it this way in regards to who needs to be replaced at each position. This is active roster, not practice squad which will be full of some of these UDFAs.
CB 1-2
So far the CB room was replaced already in FA. Still more room there for any of these UDFAs or camp cuts etc... to knock off another vet or two.
LB 1
Reeder needs to be replaced, may have been already by the FA they signed.
DL 1-2
Murchison should be replaced, Des Johnson fighting for a spot
QB 1
Simpson replaces Jimmy G
RB 1-2
Ronnie Rivers should not be here. Hunter? Who knows?
OL 2-3
The depth can change... Humphrey is gone, Limmer has to fight for a position, etc...
WR 2-3
Atwell is gone, Xavier Smith, and maybe Mumpfield fighting for a spot.
TE 1
Never can have enough
So this adds up to maybe 9- 13 new guys, and that's not much turnover in today's NFL. That's not counting the two new CB's or the LS.