The team also announced that centre Nick Bonino would miss Saturday’s game against the Chicago Blackhawks with an illness.
Forsberg skated a season-low 15:08 in Thursday’s 3-0 loss to the Arizona Coyotes. In 26 games this season he has 14 goals and 22 points, leading the team in both categories.
Tolvanen, 19, was the Predators’ first-round pick in 2017. In 21 games with the Admirals, he has four goals and 11 points.
Richard, 21, was a fourth-round pick by the Predators in 2015. He currently leads the Admirals in scoring, with eight goals and 12 points in 21 games this season.