Seven people died amid rioting in Detroit after the Detroit Pistons, playing in Portland, Ore., against the Trail Blazers, won the NBA championship in Game 5.
Fans鈥 emotional investment, whether the game is at home or away, leads to people's radical behavior, says Naylor.
鈥淲e know that most passionate fans identify with a certain team,鈥 Naylor says. 鈥淵our emotions kind of go with your team quite a bit, and there鈥檚 a sense of investment 鈥 time, emotion, and money.鈥