DOG ASIDE:\r\nThe National Collegiate Athletic Association (NCAA) Men's Division I Basketball Tournament is a single-elimination tournament played each spring in the United States....currently featuring 68 college basketball teams....to determine the national championship of the major college basketball teams.\r\n\r\n\r\n\r\nThe tournament is organized by the National Collegiate Athletic Association (NCAA)....and was created during 1939 by the National Association of Basketball Coaches....which\u00a0was the idea of Ohio State University coach Harold Olsen.\u00a0\u00a0Played mostly during March....it is known informally as March Madness or the Big Dance....and has become one of the most famous annual sporting events in the United States. The NCAA has credited Bob Walsh of the Seattle Organizing Committee for starting the March Madness celebration during 1984.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nThe tournament teams include champions from 32 Division I conferences (which receive automatic bids), and 36 teams which are awarded at-large berths. These "at-large" teams are chosen by an NCAA selection committee in a nationally televised event on the Sunday preceding the First Four play-in games....which is\u00a0currently held in\u00a0Dayton, Ohio....and dubbed Selection Sunday.\u00a0The 68 teams are divided into four regions....which are organized into a single elimination "bracket" that determines, when a team wins a game....which team it will face next. Each team is "seeded" or ranked....within its region from 1 to 16.\r\n\r\n\u00a0After an initial four games between eight lower-ranked teams....the tournament occurs during the course of three weekends....at selected neutral sites across the United States. Lower-ranked teams are placed in the bracket against higher ranked teams. Each weekend eliminates three quarters of the teams....from the first round consisting of 64 teams....to a "Sweet Sixteen"\u00a0....and for the last weekend of the tournament....a Final Four.\r\n\r\nThe Final Four is usually played during the first weekend of April. These four teams....one from each region (East, South, Midwest, and West)....then compete in one centralized location for the national championship.