FILE - In this Sept. 18, 2018 file photo Borussia Dortmund's Christian Pulisic celebrates scoring his side's first goal during a Champions League group A soccer match between Club Brugge and Borussia Dortmund at the Jan Breydel Stadium in Bruges, Belgium. Borussia Dortmund said in a statement on Wednesday, Jan. 2, 2019 that Chelsea found an agreement with Pulisic but he will remain on loan in Dortmund until the end of the season. (AP Photo/Francisco Seco, file)