The Buffalo Bills and NFL are teaming up to contribute $400,000 to local relief efforts in Buffalo ... after a mass shooting on Saturday left 10 people dead and several others injured.

"On behalf of the Buffalo Together Community Response Fund, we are most grateful for the generous contributions from the Buffalo Bills Foundation and the National Football League Foundation that will allow us to create real change and emerge from the darkness of this heinous act," said Clotilde Perez-Bode Dedecker, CEO of the Community Foundation for Greater Buffalo.

The $400K donation will be divided up amongst several groups ... with $200,000 going to the Buffalo Community Response Fund, and the other $200,000 going to various nonprofit orgs working on relief efforts.