Ronnie Lott, the Pro Bowl safety, picked off five passes.
One is Eric Turner, the Browns' Pro Bowl safety.
Baltimore's secondary is one of the best in the league and they have a Pro Bowl safety.
"If you make a mistake, the coaches address the problem and move on," said Erik McMillan, the Pro Bowl safety now in his third season.
No details of the extension given the Pro Bowl free safety were announced except the length.
Pendergast helped develop first-round draft pick Roy Williams into a Pro Bowl safety.
Yet Lott, the 10-time Pro Bowl free safety, remembers his rookie season of 1981, when the 49ers were trying to become a championship entity.
He was a Pro Bowl free safety a second time in 1968, leading the league in defensive touchdowns.
Lake is a Pro Bowl safety who played cornerback for eight games this season.
He will replace Victor Green, the one-time Pro Bowl strong safety.