Phil Jagielka and Jack Rodwell will remain Blades for the duration of the forthcoming 2020/21 Premier League campaign.
Vastly experienced and influential defender Jagielka has penned a new one-year deal at Bramall Lane.
Meanwhile, Rodwell has also committed his future to the club, agreeing a contract extension until the summer of 2021.
Boss Chris Wilder remarked: "Phil is a valuable and respected member of the squad and I'm delighted to keep him in the building for next season.
"The same applies with Jack, who offered us versatility and gave us options within the group during the second-half of last term."