Jenner (upper body) was placed on injured reserve Monday, per the NHL media site.
According to Brian Hedger of The Columbus Dispatch, Jenner suffered a long-term injury in Friday's practice. The 31-year-old Jenner notched 22 goals, 35 points, 155 shots on net and 119 hits in 58 appearances during the 2023-24 regular season. He is projected to be replaced on the top line by Yegor Chinakhov.