The free agent market for safeties is loaded:

Landon Collins
Earl Thomas
Lamarcus Joyner
Tyrann Mathieu
Adrian Amos
Ha-Ha Clinton-Dix
Clayton Geathers 
Glover Quin
Tre Boston
Kenny Vaccaro
George Iloka
Jimmie Ward
Adrian Phillips

— NFL Update (@MySportsUpdate) February 15, 2019