Wales face their crucial trip to Serbia without suspended Gareth Bale while Italy will need to be in the goals against Liechtenstein and it is Iceland v Croatia at the top of Group I.
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Serbia beckons for Bale-free Wales
If Wales are to pick up a much-needed victory against Serbia in Belgrade, they will have to do so without the suspended duo of talisman Gareth Bale and defender Neil Taylor. However, the Welsh remain undefeated in Group D after an opening-day victory over Moldova and four subsequent draws, and manager Chris Coleman is bullish about their chances. "I think we will qualify," he said. "I still have the belief in these players and that we can go to Serbia and get a result. We've known for some time that he [Gareth Bale] isn't going to be with us and it will be interesting to see how we handle it."
Serbia v Wales, 20:45CET
Italy going for goals against Liechtenstein
Italy will clearly be expected to beat Group G's bottom side Liechtenstein in Udine, but the margin of victory could be crucial. Goal difference will split tied teams in FIFA World Cup qualifying, and Italy currently trail Spain by +9 to +17, with both countries on 13 points. Liechtenstein did halt an eight-game losing streak with a 1-1 friendly draw in Finland on Wednesday yet the Italians, unbeaten in 55 qualifiers, defeated Uruguay 3-0 in Nice. "I saw a great mentality," Azzurri coach Giampiero Ventura said. "We were comfortable and created at least seven good chances. We are on the right path towards building something special here."
Italy v Liechtenstein, 20:45CET
Can Iceland stand up to Croatia?
Iceland face Croatia for a fourth time in four years, having failed to score in the sides' last three meetings (D1 L2). However, a win this time in Reykjavik would bring them level with their guests at the top of Group I, and stability is Iceland's strength; of the 11 players that lined up against Croatia in Zagreb in 2013, ten are likely to start on Sunday – Eidur Gudjohnsen the odd man out. "We're getting closer to Croatia," coach Heimir Hallgrímsson said as the heroic outsiders of UEFA EURO 2016 bid to defy the odds once more. "The players have never been afraid of any game. No game is too big for this group."
Iceland v Croatia, 20:45CET