Quarterback Brock Purdy stars as San Francisco 49ers thrash the Dallas Cowboys

The 49ers continued their undefeated start to the year with big victory.

IN FORM: Brock Purdy  of the San Francisco 49ers reacts after a 42-10 victory against the Dallas Cowboys at Levi's Stadium. Picture: Ezra Shaw/Getty Images

Quarterback Brock Purdy threw four touchdown passes as the San Francisco 49ers stayed undefeated with a 42-10 win over the Dallas Cowboys.

Purdy threw all but one of his touchdown passes to tight end George Kittle while Jordan Mason, Christian McCaffrey and Kyle Juszczyk all got over the line for a touchdown.