This second leg in Zagreb is for all the marbles, as these two teams played to a scoreless draw in Reykjavík. The Croats have not scored a goal in their last two qualifying matches and only two in their last four. They did play good defense in the first leg, but they do not want to see this tie go to a penalty shootout. Croatia is the huge home favorite according to the soccer betting odds at Bovada this week, posted at -275 with Iceland at +1110 and a draw line of +375. Iceland are the big underdogs in this second tie and while their offense mustered only four shots on goal and they were somewhat dominated in time of possession they have to come away with the match with some confidence. Iceland not only held Croatia scoreless, but they did so with only 10 men with Olafur Ingi Skulason leaving in the 52nd minute with a red card. [ See the Croatia vs Iceland matchup report with updated odds and trends ] Iceland played had a great defensive scheme on Croat playmaker Luka Modric not giving him any space on the field. They must do that again in this second leg. Neither team had a great scoring chance in the first 30 or so minutes, but look for that to change in Zagreb. The Croats will be on the attack much more and Iceland’s defense must play well. Iceland G Hannes Thór Halldórsson made a few solid saves and his play will be key in this game, as Croatia will be attacking the from the opening whistle. Iceland will have to deal with the crowd in Zagreb, which is one of the hostile places for visiting teams to come away with a win.