A tree is back near the tee box at the par-4 sixth hole of the Players Stadium Course at TPC Sawgrass, and it's the talk of the tournament.

Black knot is a fungus which attacks some fruit trees – both domestic and wild – and has occurred on the lovely Canadian cherry trees planted along many of the streets and avenues of our city.

According to the video, one way to remember how to tie this knot is by reciting, "the rabbit come up through the hole, around the back of the tree, and back down the hole." The sheet bend knot ...