Rules References
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Runners may not advance when an infield fly is called.
An Infield-fly is no different than any other fly ball in regard to the runners. The only difference is that they are never forced to advance because the batter is out whether the ball is caught or not.
Rules: 2.00 INFIELD-FLY,
6.05(e),
7.10(a) Official Baseball Rules
No run can score when a runner is called out for the third out for not tagging up.
Yes it can. This is not a force play. A force play is when a
runner is forced to advance because the batter became a runner. When the batter
is out on a caught fly, all forces are removed. An out on an a failure to
tag-up, is NOT a force out. Any runs that cross the plate before this out will
count.
Rules:
2.00 FORCE
PLAY, 4.09, 7.10(a) Official Baseball Rules
A pitch that bounces to the plate cannot be hit.
A pitch is a ball delivered to the batter by the pitcher. It doesn't matter how it gets to the batter. The batter may hit any pitch that is thrown.
Rule:
2.00 PITCH. (If the ball does not cross the foul line, it is not a pitch.)
The batter does not get first base if hit by a pitch after it bounces.
A pitch is a ball delivered to the batter by the pitcher. It doesn't matter how it gets to the batter. If the batter is hit by a pitch while attempting to avoid it, he is awarded first base.
Rules:
2.00 PITCH, 6.08(b)
If a fielder holds a fly ball for 2 seconds its a catch.
A catch is legal when the umpire judges that the fielder has COMPLETE control of the ball. The release of the ball must be voluntary and intentional.
Rule:
2.00 CATCH
Official Baseball Rules
You must tag the base with your foot on a force out or appeal.
You can tag a base with ANY part of the body.
Rules:
2.00 FORCE
PLAY, PERSON, TAG, 7.08(e) Official Baseball Rules