Freestyle. The freestyle stroke involves the use of muscles in your hands -- the thenars -- and arms -- the biceps and triceps -- to help you glide through the water smoothly. In one motion, your entire body is engaged in the forward action of the freestyle move.
The likelihood of a pitcher completing nine innings if he throws an average of 14 pitches or less per inning is reinforced by the totals of the 89 games in which pitchers did actually complete nine innings of work.
The most basic pitch is a fastball, where the pitcher throws the ball as hard as he can. Some pitchers are able to throw a fastball at a speed of over 100 miles per hour (161 km/h) (Such as Aroldis Chapman).