Purdy’s inner squad, including parents Shawn and Carrie Purdy and siblings Whittney and Chubba, have since become fixtures at his games. Related: San Francisco 49ers Quarterback Brock Purdy and Wife Jenna's Timeline Brock Purdy has never been “Mr. Preston ‘Chubba’ PurdyChubba is the youngest of the Purdy family born in July 2001. While Brock played football in college, Brandt was a volleyball player. One year later, Brock and Brandt announced they are expecting baby No.