Matty James has returned to Oakwell on loan from Leicester City until January.
Central midfielder James, 29, played 18 games on loan to the Reds in the first half of 2017. He has since struggled with injuries and has only played five minutes of league football since early 2018.
The deal went through near the end of the transfer window. James will add experience to the squad and is a defensive midfielder which the Reds have been lacking.
Earlier in the day, the Reds brought in midfielder Herbie Kane on a four-year contract from Liverpool for a fee believed to be £1.25million.
They also extended the contract of star striker Cauley Woodrow by a year to 2023, after Cardiff City failed to sign him.