David Qualben Class of 2003 - Player Profile

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Contact your advisor

now has a designated personal advisor at Perfect Game who can assist you with any questions regarding Perfect Game events.

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David Qualben

2003 GRAD

| LHP/IF

| Brooklyn, NY

MLB DRAFT

ROUND 7 - 2006

DRAFT HISTORY

Round 7 by Astros in 2006

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Best PG Grade

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10	Potential very high draft pick and/or Elite level college prospect
9	Potential top 10 round pick and/or highest level college prospect
8	Potential draft pick and/or excellent college prospect
7	College prospect, possible future draft pick with development
6	Potential college prospect
5	Possible College prospect and/or possible HS varsity
4	HS JV
3	Possible HS JV
2	No prospect at this time
1	The game is too dangerous

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NATIONAL RANKING		NY STATE RANKING
NR	NR	NR	NR
OVERALL	LHP	OVERALL	LHP

Xavier
HIGH SCHOOL

NA
TEAM LAST PLAYED

6-2

195

HEIGHT/WEIGHT

L/L
BATS/THROWS

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Team Last Played

WHAT IS IT?
Team Last Played is the team with which the player last attended a PG tournament. It will be updated when the player is rostered and attends with each team.

MAX BARREL SPEED

WHAT IS IT?
The maximum speed of the sweet spot of the barrel of the bat during the swing. The sweet spot is 20% of the bat length from the tip of the bat.

ON-FIELD IMPACT
High bat speed produces high ball exit speed, so increasing your barrel speed is an important goal. Keep in mind that you need to “square up the ball” to maximize your ball exit speed.

IMPACT MOMENTUM

WHAT IS IT?
The momentum your bat has at impact. Impact momentum is a combination of the barrel speed at impact and the weight of the bat.

ON-FIELD IMPACT
Increasing your impact momentum directly translates to a higher ball exit velocity. Higher impact momentum means better potential for further hits and higher exit velocity.

MAX ACCELERATION

WHAT IS IT?
The maximum acceleration the bat experiences during the swing, measured in “g’s”. To be clear, acceleration is not how fast the bat is moving; that’s barrel speed. Acceleration determines how quickly you can reach that top speed.

ON-FIELD IMPACT
More acceleration means that you can reach your max barrel speed quicker. Higher acceleration lets you wait a little longer before you decide to swing, and in some cases means that you can maintain higher bat speed for more of the swing.

PG EVENT RESULTS

83 mph

FB VELO 8/16/2002

LATEST PG SHOWCASE REPORT

2002 Northeast Top Prospect Showcase

Qualben threw 80-83 with good life. Good breaking ball too around 71. He has a very good baseball body. As a hitter he stays back and doesn't get a real good transfer. Pretty good hitter who could be more aggressive at the plate.

PG CAREER PROGRESSION

Best PG Grade: 6

PERCENTILE RANKINGS

CLASS OF 2003 in the recorded year