Campbell had a goal and an assist as the Panthers lost 4-3 to the Sabres in a shootout Thursday night.
Campbell is surging with five points in two games.
Campbell scored his second goal in as many games Sunday in a 4-3 victory over one of his former teams, the Buffalo Sabres.
The Florida defenseman already has four goals in his first eight games, matching his total from his first 82 contests with the Panthers.
Campbell scored twice for the Panthers, who matched a franchise record with four first-period goals in Saturday's 5-1, season-opening victory over Carolina.
Campbell had just four goals in 82 games last season.