Last year , strikeouts had leveled off .
They leaped again in 2014 to 20.3 % of all at - bats -- the first time more than 20 % of batters in a season have fanned .
Last year , strikeouts had leveled off , but they leaped again in 2014 to 20.3 % of all at - bats -- the first time more than 20 % of batters in a season have fanned .