Regional Super50
| Countries |
 West Indies
|
|---|---|
| Administrator | West Indies Cricket Board |
| Format | List-A |
| First tournament | 1972–73 |
| Tournament format | Group stage and knockout |
| Number of teams | 8 |
| Current champion |
 Trinidad and Tobago
|
| Most successful |
Trinidad and Tobago (12 titles) |
 2016–17 Regional Super50
|
|
The NAGICO Regional Super50 is the domestic one-day cricket competition in the West Indies. It was previously known as the KFC Cup until the fast food chain pulled out of sponsorship in 2008 and the WICB Cup until 2011. In recent years, it has been run over a week's time as a group stage followed by knock-out stages, unlike the sister competitions, the ING Cup in Australia and National League in England, which run as league competitions over the course of six months. Trinidad and Tobago are the current holders, after they beat Barbados in the final of the 2015–16 edition. Trinidad and Tobago have won the most titles – 12, including one shared).
Twenty-two teams have participated in at least one edition of the competition, with Barbados, Guyana, Jamaica, and Trinidad and Tobago the only teams to have participated in every edition.
The first official senior limited overs game in the West Indies was played on 18 March 1970, between a touring Duke of Norfolk's XI and the Barbados team. Three years later, a trial knock-out tournament named the Banks Trophy—which has been given List A status—was arranged between Barbados, Guyana, Jamaica and Trinidad and Tobago, and Barbados beat Guyana in the final by nine runs.
Then, there were no more official one-day competitions until February 1976, when the first official one-day tournament named the Gillette Cup was held between the four teams making up the Banks Trophy, along with the Leeward Islands and the Windward Islands. The Gillette Cup had two groups of three teams, each team playing each other once, and with the winners progressing to the final. Barbados and Trinidad and Tobago—also the teams who shared the 1975–76 Carib Beer Cup—won their groups and played off in the final at Kensington Oval, and Barbados won the first final by 43 runs. Those two teams also faced off in the next season's final, and once again Barbados prevailed.
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