He's the first active NFL player to do so.
The league tweeted out a new commercial which starts out by saying "football is gay."
It then adds "football is lesbian, queer, transgender, bisexual, American and freedom."
RELATED: Carl Nassib jersey becomes top seller
Raiders defensive end Carl Nassib announces he's gay, becoming 1st active NFL player to come out
The 30-second spot offers a link to the Trevor Project, an organization that provides suicide prevention services to the LGBTQ+ community.
Nassib pledged to donate $100,000 to the nonprofit which saw its online donations skyrocket after his announcement.