Cusack took two wickets in three balls in the final over as Ireland knocked Zimbabwe out of the World Cup with a thrilling five-run win in their Pool B match at Bellerive Oval in Hobart on Saturday.
Gary Wilson and Kevin O'Brien struck brisk half-centuries as Ireland held their nerve to clinch a thrilling two-wicket victory in their World Cup Pool B match against United Arab Emirates in Brisbane on Wednesday.
Ireland bowler Alex Cusack enjoyed a dream debut, picking up three wickets for 15 runs in the only four overs that he bowled.
Ireland survived a mighty scare before pulling off a sensational five-run win over Zimbabwe to keep themselves in the hunt for the quarterfinals of the World Cup in Hobart.
William Porterfield will captain Ireland at this year's World Cup in Australia and New Zealand, his third appearance in the sport's showpiece One-day tournament.
Ireland added the West Indies to their list of giant-killing victories after scoring a six-wicket victory over the World Twenty20 champions in the first T20 international at Jamaica's Sabina Park on Wednesday.
Former Australian pacer Brett Lee, on Thursday, hinted that he is keen on mentoring Indian bowlers in the near future if asked to do so.
'We've played some excellent cricket for 80 percent of the time we've been here but that 20 percent is why we're not going to progress'
Photos of the World Cup match between UAE and Ireland being played in Brisbane.
Ireland qualified for its third successive ICC Cricket World Cup after its World Cricket League Championship match against Netherlands on Tuesday ended in a sensational tie in Amstelveen, on Tuesday.
Photos of the World Cup Pool B game between Pakistan and Ireland being played in Adelaide
Penpix on the Ireland team for the 2015 cricket World Cup in Australia and New Zealand.
India will aim to crush a gutsy Ireland in their penultimate group encounter.
In a three part series, Rajneesh Gupta highlights all the important numbers from cricket World Cups held between 1975 to 2015.
Mitchell Starc was the Player of the Tournament, but he ranks only 5th on Rediff.com's Most Valuable Player ratings list, revealing how this World Cup was so much in the batsmen's favour.
A B de Villiers still heads Rediff.com's Most Valuable Players ratings for the World Cup.
A B de Villiers may have made some big mistakes in the semi-final: Choosing to bat first in spite of the rain threat, batting too low at No 5, not hogging the strike after David Miller departed, fielding badly, asking Dale Steyn to bowl the last over ... but he is still best placed to be adjudged the most valuable player of the 2015 World Cup.
It looks highly unlikely if anyone will catch the South African captain in Rediff.com's Most Valuable Players ratings for the World Cup.
After four centuries on the trot with a strike rate of nearly 120, Sri Lanka's run machine Kumar Sangakkara (MVPI: 686) has raced to the top of the most valuable player standing at the ICC World Cup.
Although A B de Villiers is still the front-runner for the MVP crown of the 2015 World Cup, a new and serious challenger has suddenly appeared out of the blue -- New Zealand opener Martin Guptill.
Srinivas Bhogle and Purnendu Maji figure out who are the most valuable players after the league phase of the World Cup intheir latest update.