Forty-two of Wilfredo Gómez’s 44 career wins came by knockout — meaning he flattened his opponent in an astonishing 88% of his bouts. (boxrec.com) By ALEX TRAUB Wilfredo Gómez, a boxer as slender and explosive as a stick of dynamite who from 1977 to 1983 incinerated an entire weight class of his sport, died on Oct. 10. He was 69. His death was announced on social media by Paco Valcárcel, the former president of the World Boxing Organization. Telemundo reported that the cause was a respiratory…