McCarroll was thrown and fatally trampled by a bronc at the Pendleton Round - up of 1929 .
Bonnie McCarroll ( 1897 - 1929 ) was bronc riding champion at Madison Square Garden in 1922 , at Yankee Stadium in 1923 and at Wembley Stadium in London in 1924 .
Bonnie McCarroll was thrown and fatally trampled by a bronc at the Pendleton Round - up of 1929 .
Bonnie McCarroll ( 1897 - 1929 ) was bronc riding champion at Madison Square Garden in 1922 , at Yankee Stadium in 1923 and at Wembley Stadium in London in 1924 .