The most popular sports in the 1970s were baseball, basketball, soccer, football and ice hockey. Because of television, the popularity for most sports increased.
In 1972, baseball players were the first sports players to go on strike due to salary and benefits. The strike resulted in an increase in pension fund payments and adding salary arbitration to the players Collective Bargaining Agreement. The strike lasted exactly 13 days. In basketball, the National Basketball Association and the American Basketball Association agreed on a merger, and in football, the teams in the National Football League increased their season to include 16 games.