Did a player at the PBA Summer Swing cross the line of 'defense' in bowling?

Anthony Lavery-Spahr wrote an interesting column for The Bowling News after competing in the PBA Summer Swing earlier this month. The portion that jumped out at me was this:   “There are a few things that I thought about on the way home that I would like to share as well.First thing, my question for all of you is how far should you go to ensure yourself a spot in the finals … before you cross the integrity line.We had a certain bowler on our squad the last day who intentiona...