To ensure your sports wallpaper spans correctly across both monitors in Windows, follow these steps: : Save your 2880x960 HD image to your PC.
: Ensure your monitors are physically aligned and that their digital arrangement in Display Settings matches their physical layout to prevent the wallpaper from appearing "broken" at the bezel.
: High-definition (HD) quality ensures that fine details—like the texture of the turf, jersey numbers, and crowd reactions—remain sharp and clear even when stretched across two large monitors.
Change the desktop background in Windows - Microsoft Support