Most memorable, bizarre rules controversies of 2019

When the new Rules of Golf were implemented on Jan. 1, 2019, it took player a while to adjust. Here are some of the memorable violations.

Rickie Fowler WGC-Mexico Championship
Rickie Fowler during the WGC-Mexico Championship at Club de Golf Chapultepec in Mexico City. (Hector Vivas/Getty Images)

Rickie Fowler, knee-drop violation 

Feb. 22: Rickie Fowler received a one-shot penalty during the second round of the WGC-Mexico Championship in February for an illegal shoulder-height drop. Fowler ended up with a triple-bogey seven on the 10th hole, but recorded birdies on the next two holes to finish with a second-round 73.