Bochum won 4-3 in a classic at Bundesliga relegation rivals Union Berlin on Sunday to move away from the drop zone and give Cologne a glimmer of hope of staying up. Maximilian Wittek scored twice for the visitors with contrasting strikes inside the first 31 minutes and then former Union defender Keven Schlotterbeck, via a deflection, made it 3-0 before half-time. The second period was completely different however and Union’s famous fans never stopped encouraging their team, who first netted through Yorbe Vertessen’s shot from distance before fellow half-time substitute Chris Bedia kept his coo…