Why did you trade DeAndre Hopkins and Stefan Diggs. Texans/Vikings?

[Mac4Lyfe]

Hopkins has 22 receptions, 219 yds, TD
Diggs has 16 receptions, 239 yds, TD

The Bills and Cardinals are both 2-0
The Texans and Vikings are both 0-2

but I guess the Texans and Vikes saved some money.