The San Francisco 49ers have a big decision to make when it comes to Brock Purdy this offseason. After a down year, he has one year left on his contract and the 49ers could look to replace him.

This advertisement has not loaded yet, but your article continues below. Steve Haining and Ciara Antoski went deeper than the no-decompression limit at a wreck in 50 metres of water off the coast ...