Detroit Lions center Frank Ragnow has been ruled out for the upcoming game against the Seattle Seahawks due to a partially torn pectoral muscle. Head coach Dan Campbell emphasized the importance of not risking further injury early in the season, despite Ragnow's toughness and past accolades. The coaching staff remains confident in the team's depth to compensate for Ragnow's absence.

• Frank Ragnow's injury is significant but the Lions have confidence in their depth.
• Coaching staff values Ragnow's intelligence and leadership on the field.