BERLIN (AP) — The Bundesliga’s longest-serving coach has decided to call it a day. Christian Streich, who has been in charge of German club Freiburg for more than 12 years, said Monday he will finally step down at the end of the season, bringing an end to a 29-year coaching association that started when he took over the under-19 team in 1995. “It’s with a heavy heart, a very heavy heart, that I share the news with you,” Streich said as he announced his departure in a video published on the club'