I literally put together a whole post on this topic... viewtopic.php?f=63&t=39979 Even with climbing K/HR rates, balls are still put in play very often, 63.8% of PAs in 2019 ended with a ball in play vs 36.2% which ended in a K/BB/HR/HBP. There were 186,516 plate appearances in 2019. Take out the strikeouts (42,823), walks (15,895), home runs (6,776) & hit by pitch (1,984) and you are left with 119,038 PAs ending with a ball in play. Remove the singles (25,947), doubles (8,531) & triples (785) and that leaves 83,775 balls in play which were converted into outs or errors, 195% of the strikeout total. As long as there outs to be made in the field, it will always be advantageous to convert as many of them as possible.