Question: The Stanbic Bank Twenty20 formerly known as the Metropolitan Bank Twenty20 is the domestic Twenty20 cricket competition in Zimbabwe, recently, the tournament has risen in profile with some high-quality cricket, and the attraction of major international stars such as which former Australian cricketer, who recently retired from all three formats of the game, and played in the Big Bash League for the Hobart Hurricanes? 

full_context: Document 1: Jeff Thomson: Jeffrey Robert Thomson (born 16 August 1950 in Greenacre, New South Wales) is a former Australian cricketer. Known as "Thommo", he is considered by many in the sport to be the fastest bowler of all time. He was the opening partner of fellow fast bowler Dennis Lillee; their combination was one of the most fearsome in Test cricket history. Commenting on their bowling during the 1974–75 season, "Wisden" wrote: "... it was easy to believe they were the fastest pair ever to have coincided in a cricket team".
Document 2: 2011–12 Stanbic Bank 20 Series: The 2011–12 Stanbic Bank 20 Series was a Twenty20 cricket competition held in Zimbabwe from 25 November - 4 December 2011. It was the third edition of the Stanbic Bank 20 Series, the premier Twenty20 cricket competition in Zimbabwe. It was won by Mountaineers who defeated Mashonaland Eagles by 27 runs in a thrilling final, in which they defended 142 and dismissed the Eagles for 115 mostly due to the leading wicket-taker of the tournament, Shingirai Masakadza. Mountaineers were particularly strong throughout the tournament, and played some high standard of cricket, that saw them first finish top of the group with 3 wins of 4 matches, then overhaul the heavily favored Matabeleland Tuskers in the 1st Semi at Harare. It was the same time that Mashonaland Eagles the eventual losing finalists, defeated the favored Mid West Rhinos by 53 runs coming from the brink of elimination to earn the playoff final berth against Matabeleland Tuskers. Southern Rocks had a forgettable tournament, finishing in last place in the group stage. In the playoff final, Eagles scored 207/7 mostly due to Essex and Netherlands all-rounder Ryan ten Doeschate's fiery 121* off 58 balls, and Tuskers were defeated by 23 runs (Duckworth/Lewis Method) despite a blowing half-century from the tournament's highest run-scorer Chris Gayle and another blazing one by Steven Trenchard.
Document 3: 2010–11 Stanbic Bank 20 Series: The 2010–11 Stanbic Bank 20 Series was a Twenty20 cricket competition held in Zimbabwe from 13 – 21 November 2010. It was won by the Mashonaland Eagles, who defeated the Mid West Rhinos in the final by one run.
Document 4: Dale Steyn: Dale Willem Steyn ( ; born 27 June 1983) is a South African cricketer who plays in Tests, T20 Internationals and One Day International cricket for South Africa. Often regarded as one of the best bowlers in the world. Steyn plays domestic cricket in South Africa for Cape Cobras. He is a right-arm fast bowler, and can bowl at speeds of around 145–156 km/h (his fastest being recorded at 156.2 km/h during the 2010 IPL, Bangalore Royal Challengers against Kolkata Knight Riders). His fastest ball in international cricket was clocked at 155.7 km/h (96.8 mph) against New Zealand, making him tied for 4th fastest active bowler with Lasith Malinga as of 3 January 2015. Steyn held the record for the fastest South African to reach 100 wickets in Test Match cricket, a feat he achieved on 2 March 2008. Before Ravichandran Ashwin broke the record, Dale Steyn held the record of taking the most number of wickets – 78 – in a home season, 2007–08.
Document 5: Cricket All-Stars: Cricket All-Stars (better known as Cricket All-Stars Series) was an exhibition Twenty20 cricket series started in 2015 with the first series taking place in the United States. The series features two lineups of renowned retired cricket players from around the world, led by cricket icons – "Master Blaster" Sachin Tendulkar of India and the "King of Spin" Shane Warne of Australia.
Document 6: Stanbic Bank 20 Series: The Stanbic Bank Twenty20 formerly known as the Metropolitan Bank Twenty20 is the domestic Twenty20 cricket competition in Zimbabwe. It was formed in 2007 and maintained by Zimbabwe Cricket. It features all the national and domestic players from Zimbabwe and some international stars. The best players in this tournament will form as Zimbabwe Chevrons to play in the Standard Bank Pro 20 Series in South Africa. Recently, the tournament has risen in profile with some high-quality cricket, and the attraction of major international stars such as Brian Lara, Ryan Sidebottom, Chris Gayle, Shaun Tait, Ian Harvey, and Dirk Nannes. The tournament particularly rose in profile after the reorganization of cricket in Zimbabwe. It was so successful in the 2009–10 season (the inaugural edition after the rename of the tournament) that the tournament was again held in November. In 2009–10, a domestic-cricket record 7500 spectators came into the Harare Sports Club to see the final between Mountaineers and Mashonaland Eagles. Mountaineers is the current champion defeating Mashonaland Eagles in the 2011–12 Stanbic Bank 20 Series Final. It is currently sponsored by Stanbic Bank (Uganda) Limited.
Document 7: Shaun Tait: Shaun William Tait (born 22 February 1983 in Nairne, South Australia) is a former Australian cricketer, who recently retired from all three formats of the game. Tait had geninue pace and could bowl at 155kph regularly. Tait played in the Big Bash League for the Hobart Hurricanes and has represented Australia at Twenty20 International level; he has also represented his country in One Day Internationals and Test matches. He is a right arm fast bowler. Tait retired from One Day International cricket on 28 March 2011, following Australia's early exit from the 2011 Cricket World Cup. In March 2017, Tait announced his retirement from all forms of cricket.
Document 8: Aaron Heal: Aaron Keith Heal (born 13 March 1983) is an Australian cricketer who played domestically for Western Australia and later the Melbourne Renegades. A left-arm orthodox spinner and capable lower-order batsman, Heal debuted during the 2003–04 season, and played in the team that won that season's ING Cup. He established himself in Western Australia's first-class (Sheffield Shield) and limited-overs (Ford Ranger Cup) sides during the 2006–07 season, taking over from Brad Hogg as the team's primary spinner, but was selected less regularly over the following seasons. Heal's last first-class and one-day matches came during the 2010–11 season, but he was a regular when the team played in the KFC Twenty20 Big Bash, maintaining both a low economy rate and a low bowling average. His performances at Twenty20 led to his naming in Australia's initial 30 man squad for the 2009 ICC World Twenty20. Heal signed with the Melbourne Renegades for inaugural season of the Big Bash League, playing four matches.
Document 9: Shane Warne: Shane Keith Warne (born 13 September 1969) is a former Australian international cricketer, and a former ODI captain. Widely regarded as one of the greatest bowlers in the history of the game, Warne was named one of the Wisden Cricketers of the Year in the 1994 Wisden Cricketers' Almanack. He was the Wisden Leading Cricketer in the World in 1997 (Notional Winner). He was named Wisden Leading Cricketer in the World for the year 2004 in the 2005 Wisden Cricketers' Almanack. In 2000, he was selected by a panel of cricket experts as one of the five "Wisden Cricketers of the Century", the only specialist bowler selected in the quintet and the only one still playing at the time. He is also a cricket commentator and a professional poker player. He officially retired from all formats of cricket in July 2013.
Document 10: Shoaib Akhtar: Shoaib Akhtar (   ; born 13 August 1975) is a former Pakistani cricketer, who played all formats of the game for fourteen years. Regarded as one of the best fast bowlers to ever played the game, Akhtar is the fastest bowler ever in the history of cricket, who delivered the fastest delivery officially recorded at a top speed of 161.3km/h in a pool match against England in the 2003 Cricket World Cup. Akhtar was nicknamed as "Rawalpindi Express", as a tribute to his hometown and fast bowling. He is the first bowler to break the 100mph barrier as well, which he did twice in his career.
Document 11: 2009–10 Stanbic Bank 20 Series: The 2009–10 Stanbic Bank 20 Series was a Twenty20 cricket competition held in Zimbabwe from 12–20 February 2010. It was won by the Mountaineers, who defeated the Mashonaland Eagles in the final by nine wickets.
Document 12: Zaheer Khan: Zaheer Khan (born 7 October 1978) is a former Indian cricketer who played all forms of the game for Indian national cricket team from 2000 till 2014. He was the second-most successful Indian pace bowler in Test cricket, behind Kapil Dev.
Document 13: Zimbabwe Cricket: Zimbabwe Cricket (ZC), known as the Zimbabwe Cricket Union (ZCU) until 2004, is the governing body for the sport of cricket in Zimbabwe. Zimbabwe Cricket is a full member of the International Cricket Council (ICC), and administers the Zimbabwe national cricket team, organising Test tours, One Day Internationals and Twenty20 Internationals with other nations. It also organises domestic cricket, including the Castle Logan Cup, the Coca-Cola Metbank Pro50 Championship and the Stanbic Bank 20 Series in Zimbabwe.
Document 14: Mohammad Sami: Mohammad Sami (Urdu: محمد سمیع‎ , born 24 February 1981) is a Pakistani cricketer who plays as fast bowler and is considered to be one of the fastest bowlers in Pakistan after Shoaib Akhtar. He is the only bowler in cricket to notch hat-tricks in all three formats of the game. Sami is known for his quick yorkers and traditional swing good pace.
Document 15: 2017–18 Stanbic Bank 20 Series: The 2017–18 Stanbic Bank 20 Series is an upcoming edition of the Stanbic Bank 20 Series, a Twenty20 cricket tournament in Zimbabwe. The competition is scheduled to start in April 2018 and will include a new team, the Rising Stars, along with the existing four teams.
ground_truth: Shaun Tait