The ball (bomb) does not show up on the raider. It helps and even speeds the game up when you can 360 and kill and know where the ball is at the same times. It would also help with other game types with the bomb.
The ball and goals both showed on radar in Halo 3. This is one of GrifballHUB's original Halo 5 requests. It has been an ongoing request since Halo Reach.
@Yumudas Beegbut Grifball Army of Two, Beegbut is a 1st round draft pick linemen! And lol I guess with not having it on my raider, my halo awareness has shot up