Bartch began camp as left guard but suffered a high ankle sprain, opening a path for Colby. His one-year deal makes a quick return desirable but not guaranteed if Colby shines.

High-ankle sprain; out for a while; Colby to start at LG and impresses.

Bartch is out for a while with a high-ankle sprain, threatening the starting left guard spot and triggering potential replacement by Colby or promotion from the practice squad.

Bartch left early Week 2; his absence affected SF's O-line stability as the game wore on.

Bartch exits early with an injury; Colby fills in, providing solid interior line work as SF navigates an injury-plagued game with a 5.1 yards-per-play average.