Question: The Curse of Rocky Colavito is one of several sports superstitions centered on the failure to win a championship in any major league sport for how many years?

full_context: Document 1: 2014–15 Cleveland Cavaliers season: The 2014–15 Cleveland Cavaliers season was the 45th season of the franchise in the National Basketball Association (NBA). The season was marked by the publicity the team received by signing free agent forward LeBron James and trading for forward Kevin Love. These All-Star players, added with All-Star guard Kyrie Irving, were dubbed nationally as the "Big Three". A sub-.500 team the previous four seasons, the Cavaliers won the Central division with a 53–29 record. Despite losing key players to injuries, their run continued until deep in the NBA Playoffs, eventually making it to the NBA Finals, their second appearance since 2007. The Cavaliers' season ended with a 2–4 series loss to the Golden State Warriors in the NBA Finals.
Document 2: Cleveland Cavaliers: The Cleveland Cavaliers, also known as the Cavs, are an American professional basketball team based in Cleveland, Ohio. The Cavs compete in the National Basketball Association (NBA) as a member of the league's Eastern Conference Central Division. The team began play as an expansion team in 1970, along with the Portland Trail Blazers and Buffalo Braves. Home games were first held at Cleveland Arena from 1970 to 1974, followed by the Richfield Coliseum from 1974 to 1994. Since 1994, the Cavs have played home games at Quicken Loans Arena in downtown Cleveland, which is shared with the Cleveland Gladiators of the Arena Football League and the Cleveland Monsters of the American Hockey League. Dan Gilbert has owned the team since March 2005.
Document 3: 2015–16 Cleveland Cavaliers season: The 2015–16 Cleveland Cavaliers season was the 46th season of the Cleveland Cavaliers franchise in the National Basketball Association (NBA).
Document 4: Carlton Fisk: Carlton Ernest Fisk (born December 26, 1947), nicknamed "Pudge" and "The Commander", is a retired Major League Baseball (MLB) catcher and a member of the Baseball Hall of Fame. During a 24-year baseball career, he played for both the Boston Red Sox (1969, 1971–1980) and Chicago White Sox (1981–1993). He was the first player to be unanimously voted American League Rookie of the Year (1972). Fisk is best known for "waving fair" his game-winning home run in the 12th inning of Game 6 of the 1975 World Series.
Document 5: Rocky Colavito: Rocco Domenico "Rocky" Colavito, Jr. (born August 10, 1933) is a former right fielder in Major League Baseball best known for his years with the Cleveland Indians. Colavito was the fifth player in American League history to have eleven consecutive 20-home run seasons (1956–66), and he exceeded 40 home runs three times and 100 runs batted in six times during that span. He also led the AL in home runs, RBI and slugging average once each. Hitting all but three of his 374 career home runs in the AL, he ranked behind only Jimmie Foxx (524) and Harmon Killebrew (then at 397) among the league's right-handed hitters when he retired.
Document 6: 1965 Cleveland Indians season: The 1965 Cleveland Indians season was a season in American baseball. The team finished fifth in the American League with a record of 87–75, 15 games behind the Minnesota Twins. The Indians played .500 ball for the first 40 games, then eventually heated up going on a 10-game winning streak at one point improving their record to 37-24. They would peak at 46-28, but would cool off significantly after the all star break (going 41-47 the rest of the way) and would only spend six days in first place. Still, the Indians 87-75 record would be the best win-loss record they would post between 1959 and 1994. This season also marked the return of Rocky Colavito. This led to an increase in attendance (a season after the Indians almost left Cleveland, due to low attendance). The trade itself ended up being a disaster in the long run, even though it was successful short term (for one season). The Indians were the only team to win the regular season series vs the AL pennant winning Twins (who would lose to the Dodgers in 7 games in the 1965 World Series).
Document 7: Cleveland Indians: The Cleveland Indians are an American professional baseball team based in Cleveland, Ohio. The Indians compete in Major League Baseball (MLB) as a member club of the American League (AL) Central division. Since 1994 , they have played at Progressive Field and are the defending American League champions. The team's spring training facility is at Goodyear Ballpark in Goodyear, Arizona. Since their establishment as a major league franchise in 1901, the Indians have won two World Series championships: in 1920 and 1948, along with eight Central Division titles and six American League pennants. The Indians' current World Series championship drought is the longest active drought, and through 2016 is the fifth-longest in baseball history.
Document 8: 2016 Cleveland Browns season: The 2016 Cleveland Browns season was the franchise's 68th season as a professional sports franchise, its 64th as a member of the National Football League and its first under head coach Hue Jackson and de facto general manager Sashi Brown. The Browns failed to improve upon their 3–13 record from their previous season, finishing 1–15, their worst record in franchise history. They started the season 0–14, their worst 14-game start in franchise history, and in so doing, clinched a losing record for a franchise record ninth straight season, failed to make the playoffs for a franchise record 14th straight season, finished in fourth place in the AFC North for the sixth straight season, went 0–6 within the division, failed to win a road game in a season for only the second time in franchise history (first occurred during the 1975 season), and set a franchise record for most consecutive losses, losing 17 straight games going back to their final three games of the previous season. They also extended their road losing streak to 13 games, a streak that began in Week 7 of the 2015 season, when they lost their final five road games. The Browns were also the first team to start 0–14 since the Detroit Lions went winless during 2008, the first team to finish with a 1–15 record since 2009, and only the 10th team in NFL history to finish with 15 losses. The Browns' lone victory was a 20–17 win over the San Diego Chargers in Week 16.
Document 9: Heisman curse: The Heisman curse is a term coined to reference a two-part assertion of a negative future for the winning player of the Heisman Trophy. The "curse" supposes that any college football player who wins the Heisman plays on a team that will likely lose its subsequent bowl game. The trend of post-award failure has garnered the attention of the mainstream media. Talk of a curse in relation to bowl results was particularly prevalent from 2003 to 2008, when six Heisman Trophy winners compiled a cumulative 1–5 bowl game record, and five of those six led number one ranked teams into the Bowl Championship Series (BCS) National Championship Game as favorites (Heisman Trophy winners, including Reggie Bush, who gave back his Heisman Trophy, are 4–8 overall in the BCS National Championship Game and College Football Playoff National Championship, although prior to 2009 they were 1–6). Additionally, the Heisman curse asserts that in most cases a Heisman winner will have either a poor career in the National Football League (NFL), or in fact not even see such a football career at all. Although many Heisman winners have not enjoyed success at the professional level, including players like Matt Leinart, Andre Ware, Jason White, Rashaan Salaam, Eric Crouch, Ty Detmer, Troy Smith and Gino Torretta, proponents of the "curse" rarely cite highly successful players such as Barry Sanders, Charles Woodson, Eddie George, Tim Brown, Bo Jackson, Marcus Allen, Earl Campbell, and Tony Dorsett among the notables.
Document 10: Cleveland Browns: The Cleveland Browns are a professional American football team based in Cleveland, Ohio. The Browns compete in the National Football League (NFL) as a member club of the American Football Conference (AFC) North division. The Browns play their home games at FirstEnergy Stadium, which opened in 1999, with administrative offices and training facilities in Berea, Ohio. The Browns' official colors are brown, orange and white. They are unique among the 32 member franchises of the NFL in that they do not have a logo on their helmets and are the only team named after a specific person, original coach Paul Brown.
Document 11: 2012 Cleveland Browns season: The Cleveland Browns season was the team's 64th season as a professional sports franchise and its 60th season as a member of the National Football League (NFL). Although the team improved on its record to 5–11 this 2012 season from its 4–12 finish in 2011, the team still placed fourth in the AFC North. The team also failed to break its 9-year playoff drought, the longest in franchise history. The 2012 season was the third season under the leadership of team president Mike Holmgren and general manager Tom Heckert and the second season under head coach Pat Shurmur. The Browns also had Jimmy Haslam as their new owner, after buying the team from Randy Lerner. The Browns played all of their home games at Cleveland Browns Stadium in Cleveland, Ohio.
Document 12: Cleveland Browns relocation controversy: The Cleveland Browns relocation controversy, sometimes referred to by fans as "The Move", was the decision by then-Browns owner Art Modell to relocate the National Football League (NFL)'s Cleveland Browns from its long-time home of Cleveland to Baltimore during the 1995 NFL season. Subsequent legal actions by the city of Cleveland and Browns season ticket holders led the NFL to broker a compromise that saw the Browns history, records, and intellectual property remain in Cleveland. In return, Modell was permitted to move his football organization to Baltimore where he established the Baltimore Ravens. The Ravens are officially regarded by the NFL as an expansion team that began play in . The city of Cleveland agreed to demolish Cleveland Stadium and build a new stadium on the same site, and the NFL agreed to reactivate the Browns by the 1999 season through either an expansion draft or a relocated franchise. The Browns were officially reactivated in 1998 through the expansion process and resumed play in 1999.
Document 13: Cleveland sports curse: The Cleveland sports curse was a sports superstition involving the city of Cleveland, Ohio, and its major league professional sports teams, centered on the failure to win a championship in any major league sport for a period of 52 years, from 1964 to 2016. Three major league teams based in Cleveland contributed to belief in the curse: the Browns of the National Football League (NFL); the Cavaliers of the National Basketball Association (NBA); and the Indians of Major League Baseball (MLB). Combined with the short-lived Barons franchise of the National Hockey League (NHL), Cleveland teams endured an unprecedented 147-season championship drought, having not won a title since the Browns defeated the Baltimore Colts in the 1964 NFL Championship Game two seasons prior to the first Super Bowl.
Document 14: 2010–11 Cleveland Cavaliers season: The 2010–11 Cleveland Cavaliers season was the 41st season of the franchise in the National Basketball Association (NBA). They finished the regular season with 19 wins and 63 losses, the team's worst record since 2002–03. The season included LeBron James becoming a free agent and moving to the Miami Heat, also missing the playoffs for the first time since 2004–05 and a 26 game losing streak spanning from December 20, 2010 to February 11, 2011.
Document 15: Curse of Rocky Colavito: The Curse of Rocky Colavito is a sports-related curse that supposedly prevents the Cleveland Indians Major League Baseball (MLB) franchise from winning, be it the World Series, the American League (AL) pennant, reaching postseason play, or even getting into a pennant race. Its origin is traced back to the unpopular trade of right fielder Rocky Colavito to the Detroit Tigers for Harvey Kuenn in 1960. It was not claimed that Colavito placed the curse, and he has denied doing so. It is one of several curses believed to have stricken the city of Cleveland's major sports franchises for decades.
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