His tweet proclaimed: "She Said Yes!" and included photos of him posing with Marquez's bare pregnant belly.
She Said Yes! ♥️🙏🏼 Con La Ayuda De Dios, Con Los Pies En La Tierra y Mi Corazòn En Tus Manos Juntos Alcanzaremos Lo Que Tanto Hemos Ahnelado. El Tiempo De Dios Es Perfecto. No Puedo Esperar Pasar El Resto De Mi Vida Contigo. pic.twitter.com/Ier3Kk2Sae
— Javier Báez (@javy23baez) April 11, 2018
In January, Baez announced that the couple were expecting a baby boy.