Fresh fan protests erupted on Sunday against a German Football League (DFL) plan to recruit an external investor – including a toy plane disrupting a Bundesliga game – as cracks in a previous agreement on the deal began to widen. What appeared to be chocolate coins rained down onto the pitch early in Freiburg’s 3-3 draw with Eintracht Frankfurt, before the remote-controlled toy plane and more hurled sweets led the players to leave the pitch for several minutes in the second half. On Saturday, remote-controlled cars had disrupted a second-tier game at Hansa Rostock. Tennis balls were also throw…