| ALL
TYPES OF OBSTRUCTION |
| Ignore obstruction |
fielder has ball
fielder is making a play: fielding a batted ball or taking a throw
runner advances to base he would have received on award |
ALL |
| Visual illegal |
fielder screens runner from seeing
play |
NCAA |
| Verbal illegal |
fielder confuses runner by saying
"foul ball," "back," "go," etc. |
FED |
| Fake tag illegal |
feinting a "tag" without
the ball |
FED |
| Contact |
not required |
ALL |
TYPE
(A) OBSTRUCTION
defense obstructs batter-runner before he reaches first
defense obstructs runner being played on |
| Status of ball |
immediately dead |
NCAA
OBR |
| delayed dead |
FED |
| Penalty |
award at least one base from
position on base |
FED
NCAA |
| award at least one base from
base last touched |
OBR |
TYPE
(B) OBSTRUCTION
defense obstructs runner not being played on |
| Status of ball |
delayed dead |
ALL |
| Penalty award |
at least one base from position
on base |
FED |
| award bases as needed to nullify
obstruction |
NCAA
OBR |