After eighteen rounds of Dewar Shield action, semi-finals are upon us and this weekend’s big matchup sees the number one and two teams square off when Harlequins host Melbourne at Ashwood Reserve. The teams last met in round 16 when they played out a 10-10 draw so this Saturday’s game is anyone’s for the taking. Melbourne head coach Tumai Edwards was full of praise for the minor premiers but said the result from the last game has given his team belief that they can topple Harlequins this time around. “We definitely walked away from that game with a bit of confidence, we created a few try-scoring opportunities in that game that we didn't finish off. “We know what they're capable of and come finals football they always seem to step it up another notch so we'll be expecting a big game from them at the weekend. “If we take a backwards step or if we just sit back on our heels for any split-second they'll cause some damage. It's going to have to be a full 80-minute performan