Southern Districts v Warringah - Live on 7TWO Southern Districts and Warringah boast two of the most entertaining backlines in the competition, yet both Matt Barr and Greg Marr expect the match to be won up front. Souths leaked four tries against Parramatta last weekend and were far from their best, despite claiming a bonus point win. Matt Barr said defence was the focus this weekend, with the Rebels set to keep a close eye on Josh Holmes and Hamish Angus. “Our attitude in terms of the collision and the breakdown and the tackle was off compared to our wins against West Harbour and Eastwood,” Barr said. “We’ve put a big emphasis on that this week and we needed to, Warringah are a good side with a lot of points in them, so we need to make sure we shut them down.” Greg Marr still thinks Warringah are yet to put together an 80-minute performance this season. He thinks his forward pack hold the key to success against the Rebels. “That battle up front will set the tone for t