Klingberg (lower body) was activated from injured reserve Sunday.
According to Sheng Peng of San Jose Hockey Now, Klingberg will replace Nick Leddy in Sunday's lineup against Vegas. The 33-year-old Klingberg missed the last four games. He has accounted for nine goals, 16 points, 48 shots on net, 41 blocked shots and 23 hits through 31 appearances this season.