Yes. In fact, Doug Flutie dropkicked an extra point for the Patriots in 2006. But kicking is so much easier with a holder that dropkicks are practically obsolete.
The ball must be kicked after each score and to start each half (and overtime). PATs (point after touchdown) are mandatory if no 2-point conversion rule is in place. All other kicks are...
In soccer: All players kick the ball.In Australian football, all players kick the ball.In the rugby codes, it is mostly the 'running players' (the 'backs', rather than forwards). Even then, among the...