KTM has officially chosen violence for the 50th season of AMA Pro Motocross. Just a hair over a week after Antonio Cairoli declared for the first two rounds of the series, Ryan Dungey is now set for the same schedule with Red Bull KTM. The rider who currently ranks second all-time in 450/250 two-stroke National wins has not run a full season of Pro Motocross since 2016. However, Dungey has been gearing up for this comeback for quite some time. Be sure to follow all of our Motocross coverage. Long Time ComingWhen he retired at the end of the 2017 Monster Energy Supercross season, Dungey wasn’t …