Pitcher Randy Johnson holds the lifetime record for average number of strikeouts per nine innings with 10.8.
**factoid courtesy of ‘Armchair Reader – Grand Slam Baseball’
My take - This book was printed in 2007 so I verified that Johnson is still the leader but his average has dropped to 10.6 since the book was published. Amazingly, second place is owned by Kerry Wood(yep, that Kerry Wood) with a 10.4 average.
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