Brock Purdy's journey to starting an NFC championship game for a Super Bowl favourite is one of the more unlikely stories seen in the league for years.
Purdy had been an impressive quarterback at Iowa State, consistently performing at an above average level, but not showing many traits to impress scouts that he could become a competent quarterback at NFL level.
Projected to be an undrafted free agent, Purdy was eventually selected by the San Francisco 49ers with the final pick of the draft, giving him the unfortunate title of 'Mr Irrelevant'.