Damir Kreilach, a 28-year-old midfielder and former captain at Union Berlin, will join Real Salt Lake immediately.
2018 ScheduleAll times ET
Reconstruction work, which is due to begin in 2019, will mean the stadium has a standing capacity of 28,692.
Union Berlin have accused Dortmund of "amateurish and chaotic organisation" after thousands of supporters were forced through a small, fenced area.
Borussia Dortmund needed penalties vs. Union Berlin but goalkeeper Roman Weidenfeller's heroics ensured the depleted side survived in the DFB-Pokal.
Due to injury and scheduling, Borussia Dortmund's depth has been tested often this season. In the DFB-Pokal vs. Union Berlin it will be tested again.
Former Bundesliga coach Sascha Lewandowski has died at the age of 44, police have confirmed.
"I liked it at Union, but my gut told me that Hamburg is the right decision for me. Hamburg have a lot of potential," Wood said.
Bundesliga club Hamburg have announced they have completed the signing of U.S. international Bobby Wood from Union Berlin.
United States international Bobby Wood is set to move to the Bundesliga top flight with Hamburg, according to kicker.
Union Berlin will not stop Bobby Wood from leaving the second-tier Bundesliga club should he request a transfer.
"We want to group our players for the Copa as soon as possible once the domestic season are over," Herzog said.
United States national team forward Bobby Wood has played down links with Bundesliga club Hamburger SV.
Bobby Wood scored his 15th and 16th league goals of the season for Union Berlin on Friday to set a record for an American in Germany.
Jurgen Klinsmann said United States attacker Bobby Wood has to play in the upper tier in Germany.
Union Berlin fans celebrated the club's birthday with a stunning display of pyrotechnics and chanting as their stadium was swathed in Union red.
Columbus Crew SC coach Gregg Berhalter has agreed a contract extension, the club announced on Wednesday.
American forward Bobby Wood joined Union Berlin from German second division rival 1860 Munich on Monday.
"I was informed that something will happen an hour before kick-off," the referee told BZ. "There are situations when rules are not important and any yellow card would be one too many."
Union Berlin have handed a new contract to 34-year-old midfielder Benjamin Kohler, who has recently been diagnosed with Hodgkin lymphoma.
Slovakian forward Adam Nemec has agreed to a contract with Major League Soccer's New York City FC.
Union Berlin fans dressed in black and remained silent for the first 15 minutes of the clash against RB Leipzig on Sunday in protest against the way their opponents were founded.
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