[adrotate banner=”41″] July 18, 2021, Pronouncing the death of the 300 game-winner may be a bit premature.  Since July 7, 1900, when Kid Nichols became the first modern-day 300 game-winner since John Clarkson, who won his 300th game seven years nine and a half months earlier on September 21, 1892, there have been five significant…