What happened: The Pittsburgh Penguins have concluded the initial three days of their group training camp practices. As the roster takes shape, early line combinations are carrying increased significance for the organization this preseason.

Why it matters: The coaching staff is evaluating the prospect pool and defensive depth to finalize the roster. These initial alignments provide a glimpse into the strategy for addressing open forward spots.

What to watch: Pittsburgh is scheduled to host the Buffalo Sabres as the team prepares for the Sept. 29 season opener.