Originnaly intended as a tournament for semi-professional clubs or town teams sponsored by local businesses the typical makeup of a team changed in the 1970s as most semi-professional teams folded. The teams were replaced with mainly amateur college players looking to impress Major League scouts.
The tournament currently features 42 teams in a double-elimination bracket, resulting in 83 games over 16 days. There are 21 leagues and 17 tournaments that are affiliated with the NBC and whose champion recieves a berth in the World Series. The tournament organizers occasionally invite teams to play in the tournament (such as the 1995 champion Team USA or the 2003 champion Chinese Taipei national team). A tradition at the tournament is "Baseball Around-The-Clock" where 17 games are played over a span of just over two days, from Friday Evening to Suday evening.
| Year
| Champion
| MVP
|
| 1935 | Bismarck (ND) Corwin-Churchill | Satchel Paige, Bismarck Corwin-Churchill
|
| 1936 | Duncan (OK) Halliburtons | Harry White, Duncan (OK) Halliburtons
|
| 1937 | Enid (OK) Eason Oilers | Claude Gilchrist, Enid (OK) Eason Oilers
|
| 1938 | Burford (GA) Bona Allens | Andy Johnson, Burford (GA) Bona Allens
|
| 1939 | Duncan (OK) Haliburtons | Roy Helser, Duncan, OR
|
| 1940 | Enid (OK) Champlins | Vance Cauble, Enid (OK) Champlins
|
| 1941 | Enid (OK) Champlins | Red Barkley, Enid (OK) Champlins
|
| 1942 | Wichita (KS) Boeing Bombers | Ed Borom, Wichita (KS) Boeing Bombers
|
| 1943 | Camp Wheeler (GA) Spokes | George Archie, Fort Riley, KS
|
| 1944 | Sherman Field (KS) Flyers | Cot Deal, Enid, OK
|
| 1945 | Enid (OK) Army Air Field | Cot Deal, Enid (OK) Army Air Field
|
| 1946 | St. Joseph (MI) Auscos | Les Lollis, Carmichael, CA
|
| 1947 | Fort Wayne (IN) G-E Club | Bruno Konopka, Golden, CO
|
| 1948 | Fort Wayne (IN) G-E Club | Veo Story, Elkin, NC
|
| 1949 | Fort Wayne (IN) G-E Club | Bill Ricks, Fort Wayne (IN) G-E Club
|
| 1950 | Fort Wayne (IN) Capeharts | Pat Scantlebury, Fort Wayne (IN) Capeharts
|
| 1951 | Sinton (TX) Plymouth Oilers | Steve Rapech, Sinton (TX) Plymouth Oilers
|
| 1952 | Fort Myer (VA) Military District | Danny O'Connell, Fort Myer (VA) Military District
|
| 1953 | Fort Leonard Wood (MO) Hilltoppers | Robert McKee, Fort Leonard Wood (MO) Hilltoppers
|
| 1954 | Wichita (KS) Boeing Bombers | Donnie Lee, Casa Grande (AZ) Cotton Kings
|
| 1955 | Wichita (KS) Boeing Bombers | Daryl Spencer, Wichita (KS) Boeing Bombers
|
| 1956 | Fort Wayne (IN) Dairymen | Clyde McCullough, Alpine, TX
|
| 1957 | Sinton (TX) Plymouth Oilers | Wilmer Fields, Fort Wayne, IN
|
| 1958 | Drain (OR) Black Sox | Jim O'Rourke, Drain (OR) Black Sox
|
| 1959 | Houston (TX) Fed Mart | Clyde Girrens, Wichita (KS) Weller Indians
|
| 1960 | Grand Rapids (MI) Sullivans | Bob Seltzer, Tampa, FL
|
| 1961 | Ponchatoula (LA) Athletics | Al Ware, Grand Rapids, MI
|
| 1962 | Wichita (KS) Rapid Transit Dreamliners | Rocky Krsnich, Wichita (KS) Rapid Transit Dreamliners
|
| 1963 | Wichita (KS) Rapid Transit Dreamliners | Sam Suplizio, Alaska Goldpanners
|
| 1964 | Wichita (KS) Service Auto Glass | Dick Sanders, Wichita (KS) Service Auto Glass
|
| 1965 | Wichita (KS) Rapid Transit Dreamliners | Bob Boyd, Wichita (KS) Rapid Transit Dreamliners
|
| 1966 | Boulder (CO) Baseline Collegians | Ray Henningsen, Boulder (CO) Baseline Collegians
|
| 1967 | Boulder (CO) Baseline Collegians | Frank Duffy, Boulder (CO) Baseline Collegians
|
| 1968 | Liberal (KS) BeeJays | Joe Tanner, Jackson, MS
|
| 1969 | Anchorage Glacier Pilots | Chris Chambliss, Anchorage Glacier Pilots
|
| 1970 | Grand Rapids (MI) Sullivans | Al Gerhardt, Grand Rapids (MI) Sullivans
|
| 1971 | Anchorage Glacier Pilots | Bruce Bochte, Anchorage Glacier Pilots
|
| 1972 | Alaska Goldpanners | Kerry Dineen, Alaska Goldpanners
|
| 1973 | Alaska Goldpanners | Lee Iorg, Alaska Goldpanners
|
| 1974 | Alaska Goldpanners | Steve Kemp, Alaska Goldpanners
|
| 1975 | Boulder (CO) Baseline Collegians | Mike Colbern, Boulder (CO) Baseline Collegians
|
| 1976 | Alaska Goldpanners | Greg Harris, Alaska Goldpanners
|
| 1977 | Kenai Peninsula Oilers | Bob Skube, Kenai Peninsula Oilers
|
| 1978 | Boulder (CO) Baseline Collegians | Bob Ferris, Boulder (CO) Baseline Collegians
|
| 1979 | Liberal (KS) BeeJays | Gary D'Onofrio, Liberal (KS) BeeJays
|
| 1980 | Alaska Goldpanners | Kevin McReynolds, Alaska Goldpanners
|
| 1981 | Clarinda (IA) A's | Keith Mucha, Clarinda (IA) A's
|
| 1982 | Santa Maria (CA) Indians | Dave Hengel, Santa Maria (CA) Indians
|
| 1983 | Grand Rapids (MI) Sullivans | Curtis Morgan, Grand Rapids (MI) Sullivans
|
| 1984 | Grand Rapids (MI) Sullivans | Bill Bates, Grand Rapids (MI) Sullivans
|
| 1985 | Liberal (KS) BeeJays | Kerry Richardson, Liberal (KS) BeeJays
|
| 1986 | Anchorage Glacier Pilots | Steve Bates, Anchorage Glacier Pilots
|
| 1987 | Mat-Su Miners | Ken Kremer, Mat-Su Miners
|
| 1988 | Everett (WA) Merchants | Dave Wong, Everett (WA) Merchants
|
| 1989 | Wichita (KS) Broncos | Jim Huslig, Wichita (KS) Broncos
|
| 1990 | Wichita (KS) Broncos | Kirk Vucsko, Midlothian, IL
|
| 1991 | Anchorage Glacier Pilots | Chris Hmielewski, Kenai Peninsula Oilers
|
| 1992 | Midlothian (IL) White Sox | Mike Kane, Midlothian (IL) White Sox
|
| 1993 | Kenai Peninsula Oilers | Jeff Poor, Kenai Peninsula Oilers
|
| 1994 | Kenai Peninsula Oilers | Jesse Zepeda, Kenai Peninsula Oilers
|
| 1995 | Team USA | Lance Berkman, Hays (KS) Larks
|
| 1996 | El Dorado (KS) Broncos | Kevin Fredericks, El Dorado (KS) Broncos
|
| 1997 | Mat-Su Miners | Jeff Juarez, Nevada (MO) Griffons
|
| 1998 | El Dorado (KS) Broncos | Jason Aspito, El Dorado (KS) Broncos
|
| 1999 | Dallas (TX) Phillies | Marco Cunningham, Dallas (TX) Phillies
|
| 2000 | Liberal (KS) BeeJays | Cory Metzler, Liberal (KS) BeeJays
|
| 2001 | Anchorage Glacier Pilots | Jeff Francis, Anchorage Glacier Pilots
|
| 2002 | Alaska Goldpanners | Blake Gill, Alaska Goldpanners
|
| 2003 | Chinese Taipei National Team | Chang-Wei Tu, Chinese Taipei National Team
|
| 2004 | Aloha Knights | Scott Simon, Mat-Su Miners
|
| 2005 | Chicago (IL) Prairie Gravel |
|
| 2006 | Santa Barbara (CA) Foresters |
|
