Sassuolo have officially extended their contracts with Francesco Magnanelli, Gianluca Pegolo and Federico Peluso to June 2022.
They were all set to become free agents at midnight.
Midfielder Magnanelli is 36 years old and has been at the club since 2005.
Goalkeeper Pegolo is already 40 and first joined the Neroverdi in 2013.
Defender Peluso is 37 and after spells at Atalanta and Juventus, came to Sassuolo in 2014.