Where the ruling against Lexi Thompson at the ANA Inspiration last April appeared to cross the line from unfortunate to unfair wasn’t the two-stroke penalty she received for improperly marking her ball on a putting green. Rather, it was the additional two strokes Thompson had to add to her Saturday score because she had failed to account for the original penalty in the first place. If you don’t know you broke a rule in the first place, how can you be expected to account for it before signing your scorecard?