Sunderland have loaned defender Bailey Wright to fellow Championship club Rotherham United for the season.
The 30-year-old was part of Australia's 2022 World Cup squad, and featured in the group-stage win over Denmark.
However, despite winning promotion from League One as a regular last season, the former Preston and Bristol City centre-half has been limited to eight starts in 16 appearances.
He will add immediate cover for the Millers after Sean Morrison's injury.
Sunderland signed Joe Anderson from Everton earlier on Tuesday, which allowed Wright's move to South Yorkshire to take place.
Sporting Director Kristjaan Speakman said of the decision to let him leave Sunderland: "Bailey is the ultimate professional and he has been an outstanding member of our squad, especially over the last 18 months.