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Keys for Lead Official
Lead must work ball side Be8er early than late
Work as wide as the ball Work outsidein in rela=on to ball Posi=on adjust as necessary
When rota=ng keep eyes on compe==vematchup Eyes should not look ahead to matchup
that should already be covered by Center
If, while rota=ng, there is a quick shot, drive,or skip pass stop rota=on and go back
The closer the Lead is to closedown, theworse angle he/she has for rebounding foulsand therefore must trust C/T to see thosetypes of plays
Lead is responsible for lane viola=ons, but,must be prepared to assist, when workingoutside, on three point shots on strong side. This becomes a tworeferee play.
Lead should work a step off the end line as areference point
Lead should look for the ball to stop and/orpause when ball is opposite, above, or at thefree throw line extended to ini=ate a rota=onfrom close down
On drives to the basket the Lead must focuson his defender, which is usually thesecondary defender on the play
Most plays, Lead ini=ates setup in eitherclose down (if ball is coming up the oppositeside or middle of court) or wide angle (if ballis coming up strong side of court).
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L
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L
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L
Top of Key Close Down
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L
Oppositeball stops/pauses Rotate
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L
Opposite Matchup Accelerated Pace
XO
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L
Ball below f/t line GET THERE!
XO
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Keys for Trail Official
Posi=on yourself so that youkeep the 10 players and yourpartners in view
When officia=ng the dribblerfrom backcourt to front courtmaintain a 2+2 posi=on (twosteps back, two steps outsidedribbler)
Trial should primarily workoutside in
When ball is pinched onsideline in front court, strongside, Trail can work inside outto maintain good angle
Trail should stay outside thenear laneline extended
Trail should officiate over thedribblers outside shoulder intransi=on
When the ball moves to Csprimary, eyes should godiagonal (through lane to lowblock on Cs side)
Stay in on rebounding do notleak out
Trail marks 3point shots fromstrong side corner to oppositelane line above the key
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T
Trail primarily works outsidein
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T
When ball leaves Ts primary area:
Trail should look diagonal throughlane and to low blockBe prepared for rota=on
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T
When ball ispinchedalong the strong side sideline:
Trail mayposi/on adjust(move) to an insideoutlook to maintain angle on primary matchup
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T
X1
X2
X3
On a dribble drive to the basket from from Tsprimary T should stay with the play to the basket.
T may step down or in to maintain angle on the playIf Ts primary defender is beaten (X1):
The secondary defender who engages in theplay, either Cs defender (X2) or Ls defender(X3) will assume priority on any contact on the
dribbler.
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T
L
When ball is wide, three point line on strong side:
Lead should work as wide as the ball to provide help toTrail (two referee play)
Lead will s=ll have viola=ons in lane
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T
O2 X1
X2
C
When there is a ball screen or hedge
play this is a TWO Referee play
In this illustra=on C must see theback side of this screenC should insure that O2 sets a legalscreen on X1
C should also insure that if X2 jumpsout to defend the ball there is not
illegal contact
Ball screens can take place in mul=ple
loca=ons and should always be consideredTWO referee plays the official on the
backside of the play must help
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T
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T
C
LThis is a trouble area
for the T and C:
C must be availableto accept the ball/
defender as it getspinched/ or a trap
occurs along Cs
sideline.
Once T recognizes Chas accepted the
play, T can rotate to
new C
Lead must recognizethis trouble play and
rotate to strong side
to put the crew in the
best posi=on
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T
Trail should maintain2+2 (two steps
behind and 2 steps
outside) posi=on on
ball
Trail should officiateover the outside
shoulder of ball
handler
Trail will move ontocourt as necessary to
maintain good angleTrail only movesonto court as far as
the near lane line
extended.
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T
X X
X
X X
C
C must remain in a
posi=on to assist new
T on full court press
situa=ons.
X Defenders
No=ce that C has
responsibility from
sideline to sideline
when quick pass from
back court to mid
court area takes place.
Trail would not have a
good look from
behind that play.
C should move with
the players as ball is
transi=oning up the
court.
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C
When the ball is passed to player in front of C (at freethrow lineextended) it is most advantageous for C to step DOWN to get an angle
rather than immediately step UP.
By stepping DOWN one step the C is s=ll in a posi=on to assist withac=on in the key area as well as create a good angle on primary
defenders.
C should maintain a flat posi=on (shoulders parallel to sideline)C can, when ready, step up to adjust angle when there is not acompe==ve matchup on the ball.
C must not step up when ball is closely defended as this may cause C tobe temporarily straightlined on his/her compe==ve matchup.
C should rotate up when ready even if Lead has already rotated to Csside
X
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C
Ini=al set up for C is free throw line extended
1. If ball is top of the key or higher: C mayposi=on adjust a step above free throw
line extended
2. If ball is below free throw line: C mayposi=on adjust a step below free throwline
3. If ball and players are on the strong sideof the court, C may move in a step to be
more engaged in the ac=on
1
3
2
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C
X2
X1
On a dribble drive to the basket from Cs primary:
Once dribbler beats Cs primary defender (X1) then Cmust rely on Lead to officiate Leads primary defender (X2)
who becomes the secondary defender on this play.
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C
X1
On a dribble drive to the basket from Cs primary:
C may step IN to maintain angle on primary defender.C must NOT allow a straight line to occur on this play.
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C
X1
On a postcurl play:
The C must officiate this as the Lead will not seefouling ac=on on the top side of the post move
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C
This illustra=on is intended to show that Cposi/on adjust(move) to get good angles (looks) on jump shots (across the
lane) and rebounding ac=on.
C should be in the best posi=on to see between defendersand shooters for contact on jump shots
C should be in the best posi=on to see between offensiveand defensive rebounders for illegal ac=on.
C
C