The loss all but ended Ireland's hopes of qualifying for the 2014 World Cup next year in Brazil, and ultimately was the straw which broke the camel's back in terms of Trapattoni's tenure in charge.
Former Sunderland boss O'Neill is favourite at 5/6, followed by former Wolves manager, Mick McCarthy (12/1), recent Reading manager, Brian McDermott (14/1), and Ireland favourite Roy Keane (16/1).
O'Neill enjoyed a playing career that started in 1971, with Irish club, Distillery, and ended in 1984 with Cheltenham.
During his career, he also played for Norwich City, Nottingham Forest, Notts County, and Manchester city, making 532 appearances in total, and scoring 85 goals. As well as this, he made 64 international appearances with Northern Ireland, netting eight times.
After his retirement he managed lower league sides at first; Grantham Town, Shepshed Charterhouse and Wycombe Wanderers. After spells with Norwich and Leicester, he was appointed Celtic manager.
He stayed with Celtic for five years, from 2000-2005. Next he moved on to one of the clubs he is most famous for managing, Aston Villa. While at Villa, they narrowly missed out on qualifying for the Champions League, after finishing sixth, three seasons running. In June 2010, O'Neill was favourite for the Liverpool managerial role, after Rafa Benitez' departure.
This role was taken by Roy Hodgson, and less than a month later, he resigned as manager of Aston Villa. His resignation came as a shock, and he later revealed he was no longer happy with the funds that were available to him.
Following this, he managed Sunderland from 2011, up until early 2013, when he was sacked and controversially replaced by Paolo Di Canio.
O'Neill carries bags of experience, but none of which are at international level. That could prove to be Ireland's only issue when considering him as a candidate.
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