Since 2020....
Jefferson - 262 targets, 177 receptions, 2735 yards, 16 touchdowns, 15.5 yards per reception.
Diggs - 294 targets, 209 receptions, 2542 yards, 16 touchdowns, 12.2 yards per reception.
Davis - 108 targets, 64 receptions, 1069 yards, 13 touchdowns, 16.7 yards per reception.
The Bills FO couldn't take the risk on IF Jefferson would work in the NFL.
In summary get Diggs & Davis the damn ball.