RG3, girlfriend Grete Sadeiko announce engagement, pregnancy

Robert Griffin III and girlfriend Grete Sadeiko made two big announcements Sunday: they're engaged and expecting their first child together.

The former Heisman Trophy winner, who remains a free agent after being released by the Cleveland Browns in March, shared the news on Instagram:

This will be the second marriage and child for Griffin, who also has a daughter with his ex-wife, Rebecca Liddicoat.