Battle of the beaches A huge crowd is expected at Manly Oval tomorrow and you can understand why. Derbies between Manly and Warringah rarely disappoint and tomorrow’s clash will be one of the best in recent memory. The Marlins are in red hot form and have won nine straight matches this year but Warringah know how to cause an upset and will happily wear the underdog tag proudly heading into the match. The key for Warringah is consistency. It’s cliché, but they desperately need to play for 80 minutes if they are to challenge Manly at home. It’s a game not to be missed. Can Norths bounce back? After going a full year without a loss, Norths have lost three straight matches and while it’s not quite panic stations across the Harbour Bridge just yet, the Shoreman will be desperate to find their way this weekend. With Simon Cron in Georgia with the Australian U20s and Will Miller and Hugh Sinclair still down in Melbourne with the Rebels, Norths’ depth is being tested and they’l