Quote:
Originally Posted by JRutledge
The Lead has primary on-ball coverage when the ball is below the free-throw line extended opposite the Trail. When a throw-in occurs on the sideline opposite the Trail below the free-throw line extended, the Lead administers the throw-in using the boxing-in method by bouncing the ball to the thrower. This means the Lead and Trail will not have to switch or move across the court to administer a throw-in below the free-throw line extended.
In order for the Lead to administer the sideline throw-in, significant coverage adjustments must be made. The Lead must move closer toward the sideline before bouncing the ball to the thrower to ensure a proper visual field that includes the thrower and throw-in plane. The Lead should also get deep (move back away from the end line) to increase the field of vision and see secondary coverage of post play on the low block.
With the Lead focused nearer the throw-in, the Trail must move off the opposite sideline and onto the court to officiate all off-ball action, including action in the lane area. The Trail must be aggressive if an off-ball foul in the lane is detected, moving toward the foul to close the distance. The Trail is also responsible for mirroring the “start clock” (signal) of the Lead
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Thanks JRutledge.
These three paragraphs seem to specifically deal with a sideline throwin by the Lead below the free throw line extended, another good time to use the Trail to chop in the clock (and it doesn't look optional, rather it seems mandatory).
I wonder what the NFHS says about other throwin situations where it is difficult for the timer to see the administering official?