Amari Cooper (lower leg) announced via his Instagram account that he underwent surgery Thursday, per Jon Machota of The Athletic.
Amari Cooper caught six of nine targets for 41 yards during Sunday's 23-19 loss to the Giants.
Amari Cooper caught four of six targets for 121 yards in Sunday's 37-17 win over the Eagles.
Amari Cooper caught two of three targets for 10 yards and carried twice for minus-seven yards during Sunday's 41-33 win over the 49ers.
Amari Cooper recorded four receptions on five targets for 51 yards and one touchdown in Week 14 against Cincinnati.
Amari Cooper brought in five of nine targets for 43 yards and a touchdown and added a 10-yard rush on one attempt in the Cowboys' 34-17 loss to the Ravens on Tuesday night.