Rusch, who has learned to trust his average fastball, buzzed McGwire up and in, then went away.

His average fastball is 93.8 miles per hour, seventh-fastest in baseball.

Martin is described as "a strike-thrower with a below average fastball who lives off of his changeup."

With command of his sliders, sinkers and average fastballs, Lieber believes he has the advantage.

Some scouts have said he has an average fastball of 89 to 91 miles an hour and a good off-speed pitch.

"At first he tried to power-pitch, but you can't do that with an average fastball."

He has an average fastball, 87 to 89 miles an hour, that he uses to set up a devastating changeup and a decent curve.

A pretty good-looking pitcher with above average fastball and definitely major league potential.

At his best, Hernández was greater than the sum of his parts, a pitcher who won with an average fastball.

His average fastball used to be in the mid-90s, averaging over 95 as recently as 2007, but this year it's down to 92.7.