Answer
Douglas Costa joined Bayern Munich in 2015. He was signed from Shakhtar Donetsk for a fee of €30 million. Costa made his debut for Bayern in the DFL-Supercup against Wolfsburg, which Bayern won 5-0. He scored his first goal for the club in a 3-0 win over Darmstadt 98 in the Bundesliga. Costa quickly became a key player for Bayern, providing width and creativity on the flanks.