The Union used targeted allocation money to complete the two-year deal, which has an option for a third.
“We are extremely happy to add a player of Haris’ caliber. Having played at the highest levels of our game, he brings both quality and experience to our midfield,” Philadelphia Union sporting director Earnie Stewart said in a press release. “We’re anxious for Haris to join our group as we continue to prepare for the start of the season.”
The 31-year-old midfielder has spent the last season and a half with Israeli side Maccabi Tel Aviv, netting four times in 33 league games in his second stint with the club. He also added two goals in 14 Europa League games this season.
Medunjanin also played with the club in the 2010-11 and 2011-12 seasons. In addition, he spent time with AZ Alkmaar, Sparta Rotterdam, Valladolid, Gaziantepspor and Deportivo La Coruna.
Internationally, the midfielder has managed 55 caps for Bosnia and Herzegovina and appeared in the 2010 World Cup for the country. He has also featured in Euro 2016 qualification and 2018 World Cup qualification