Photo: Mark J. Rebilas-Imagn Images Among the bevy of moves Pittsburgh Steelers general manager Omar Khan made in the first week of free agency, the one that remains a question mark—aside from the quarterback position—is left guard. With veteran Isaac Seumalo departing for the Arizona Cardinals this week, a void remains at left guard—one that 2023 seventh-round pick Spencer Anderson may not be ready to fill. Long-time Steelers media personality and broadcaster Mike Prisuta