Split screen increases FOV in MP to what looks like 90-100. My ps4 pro is perfectly capable of handling higher FOV than 80 but the devs refuse to add a slider. Makes
No Splitscreen in Spec Ops! : r/modernwarfare
How to play split screen in Call of Duty: Modern Warfare | Shacknews
Modern Warfare ® 2019: How to play SPLIT SCREEN online - YouTube