Charlton have wrapped up a one-year loan deal for Inter Milan defender Gonzalo Sorondo.
Sorondo played 22 games for Crystal Palace last season
The Uruguayan was granted a work permit at a London tribunal on Tuesday and arrived in London to sign for the Addicks a day later.
The 25-year-old centre-back spent last season with Crystal Palace.
Charlton boss Alan Curbishley said: "Andy Johnson may have been Palace's best player last season but then came Sorondo. He acquitted himself well."
He added: "He is an aggressive centre half and once again another player who wants to come and join us."
Curbishley has an option to sign Sorondo permanently once the loan deal ends.
The Uruguayan was relieved to complete his move.
"I'm very pleased that it's all over and I can finally look forward to training with my new team-mates," he told Charlton's official website.
"There has been a bit of a delay and it has been quite frustrating for me but everything is complete now and I can't wait to start pre-season training.
"I find the Premiership physically more demanding and quicker than Serie A
and that really suits my style of play.
"Charlton is a growing club, I had my heart set on the move as soon as
Charlton expressed their interest at the end of last season."