Cy Young's Perfect Game, Leon Day's Opening Day No Hitter, and Larry Bird played with a concussion - This DiSH for May 5

In 1904, Cy Young pitching the first perfect game in the 20th century.

In 1946, Newark Eagles' pitcher Leon Day threw a no-hitter on opening day.

In 1969, Bill Russell scored 6 points and grabbed 19 rebounds in his final NBA game as his Celtics beat the LA Lakers to win their 11th World Championship in 13 seasons.

In 1991, Larry Bird suffered a concussion in the first half of a playoff game against Indiana. He returned in the second half to lead the Celtics to the decisive game five win.

In 1973, Secretariat won the Kentucky Derby in a record time of 1:59.4. That is still the fastest winning time.