How can Grayson’s FB only be rated a 65?

[higgybaby]

Seems like I keep hearing how he is consistently hitting triple digits. 

[Frobby]

It doesn’t have that much movement.  

[Ripken]

65 is considered well above average.

[ChosenOne21]

Aren't these grades sort of an MLB mid-case?

[Frobby]

9 hours ago, ChosenOne21 said:

Aren't these grades sort of an MLB mid-case?

No.   65 is a very high grade.  Just not very top of the scale.   

[ChosenOne21]

1 minute ago, Frobby said:

No.   65 is a very high grade.  Just not very top of the scale.   

What I was asking is when they grade his fastball a 65, they're saying his 50th percentile outcome is an overall above average effective MLB fastball?

[higgybaby]

The reason that I asked the original question is because there’s a prospect in the Blue Jays system, Nate Peterson who had an 80 grade for his fastball and I gotta think that even though a 65 grade is good how is a fastball as dominating as Graysons is not higher than a 65?

 

[Frobby]

1 hour ago, higgybaby said:

The reason that I asked the original question is because there’s a prospect in the Blue Jays system, Nate Peterson who had an 80 grade for his fastball and I gotta think that even though a 65 grade is good how is a fastball as dominating as Graysons is not higher than a 65?

 

Who grades Pearson’s FB at 80?    Fangraphs graded it a 70 going into this season, but opinions can vary.  Also, when (and by whom) was Rodriguez graded a 65?   He’s been gaining velocity each year, so a grade given before this season wouldn’t necessarily be given today.  

In any event, and this is just my opinion, Rodriguez’s fastball is a little straight, and if that’s all he had in his aresensl, I think major leaguer hitters would dial into it and hit it.   But he’s got a devastating changeup and very solid slider and you really don’t know which of those pitches is coming, and that’s what makes him a top prospect, not just the velocity on his fastball.