For the 49ers, signing Purdy quickly would offer cost certainty on what will be their most expensive player ... some football and that starts with Brock," coach Kyle Shanahan said.

Dianna Russini and Robert Mays discuss Brock Purdy's possible contract extension with the San Francisco 49ers.

Brock Purdy's contract extension probably won't be nearly as expensive as it seems ... and providing the most honest and interactive coverage in the country. His loyalty is to the reader and ...