Detroit Lions head coach Dan Campbell provides injury updates involving multiple players from the team’s rookie class during training camp. The reports focus on Derrick Moore and Jimmy Rolder, noting that the Lions’ timeline for their returns may differ. One report says Derrick Moore is expected back sooner than Jimmy Rolder, indicating Moore’s injury is trending toward an earlier return while Rolder faces a longer recovery period. Along with those two, Campbell’s updates also include information on Blake Miller, as the Lions address several injuries affecting rookies. Across the coverage, the overall theme is that Detroit is managing a “slew” of rookie injuries at this stage of camp, with return expectations varying by player. The specific nature of the injuries and exact practice or game availability timelines are not detailed in the provided excerpts, but the team is actively monitoring progress and communicating status through Campbell’s updates.