David Rosenberger Class of 2012 - 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.

PG Advisor

David Rosenberger

2012 GRAD

| LHP

| Bethlehem, PA

COMMITMENT

Virginia

Best PG Grade

ABOUT PG GRADES

Perfect Game Player Rating System
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		PA STATE RANKING
467	48	11	NA
OVERALL	LHP	OVERALL	LHP

Allentown Central Catholic
HIGH SCHOOL

NA
TEAM LAST PLAYED

6-0

195

HEIGHT/WEIGHT

L/L
BATS/THROWS

30 and 7 mos
AGE

18 and 9 mos
Age at 2012 Draft

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PLAYER HOME
9 EVENTS/REPORTS
8 AWARDS
4 ARTICLES
INFO/CONTACT

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

89 mph

FB VELO 10/20/2011

LATEST PG SHOWCASE REPORT

2010 PG National Games Class of 2012

David Rosenberger is a 2012 LHP/ with a 5-11 175 lb. frame from Bethlehem, PA who attends Allentown Central Catholic. Rosenberger has an athletic build, good delivery, smooth, arm works well, fastball has life, good pitchability, nice change up, maintains arm speed, good breaking ball, seen him up to 89 mph earlier in the summer.

PG CAREER PROGRESSION

+16 MPH

FB Velo since 06/20/2008

Best PG Grade: 9

PERCENTILE RANKINGS

CLASS OF 2012 in the recorded year