"As of my knowledge cutoff in September 2021, Lionel Messi had not won the Copa del Rey Golden Boot for being the top scorer in the competition. The Copa del Rey Golden Boot is awarded to the top goal scorer in the tournament, and Messis goal-scoring achievements in the Copa del Rey have been significant, though the specific Golden Boot honor may vary across different seasons."
Has Lionel Messi won the Copa del Rey Golden Boot for being the top scorer in the competition?