The San Francisco 49ers made two big moves with their own players this offseason. First, they extended the contract of George Kittle. They followed that move up more recently with a lucrative contract extension for quarterback Brock Purdy.

George Kittle reveals one big change he's seen from 49ers QB Brock Purdy after receiving his huge $265 million contract extension.

Brock Purdy said the 49ers’ recent wave of contract extensions for himself, George Kittle and Fred Warner have helped efforts to build chemistry on a radically revised roster.