The Brief Brock Purdy and his wife, Jenna, are expecting their second child, announcing the pregnancy Wednesday in a joint Instagram post. Irrelevant," signed a five-year, $265 million extension with the 49ers after emerging as the team’s franchise quarterback. San Francisco 49ers quarterback Brock Purdy and his wife are expecting their second child. Couple shares pregnancy announcement on IGWhat they're saying:Purdy, 26, and his wife, Jenna Purdy, shared the news Wednesday in a joint Instagram post. Irrelevant" to franchise quarterbackPurdy signed a five-year, $265 million contract extension with the 49ers last year, cementing his role as the team’s franchise quarterback.