Dominguez, a 6-foot-4, 334-pound rookie out of Arkansas, signed with the Packers as a non-drafted free agent on July 28. A four-year letterman for the Razorbacks, he appeared in 41 games with 33 starts, including a streak of 18 straight starts to end his career. Dominguez started all 13 contests at LT as a senior for an Arkansas offense that broke 24 single-game or single-season school records. He will wear No. 73.
Collins sustained a neck injury in Week 2 at Carolina.