What Does 6-4-3-2 Mean in Baseball? Scoring Notation Explained
6-4-3-2 in baseball is scorekeeping notation: a 6-4-3 double play (shortstop to second baseman to first baseman) extended by a throw home to the catcher to try to retire a runner scoring from third. It is not automatically a triple play.
What Does 6-4-3-2 Mean in Baseball?
6-4-3-2 is baseball scorekeeping notation, where each number is the defensive position that touched the ball in order. In the standard system, 1 = pitcher, 2 = catcher, 3 = first baseman, 4 = second baseman, 5 = third baseman, 6 = shortstop, 7 = left field, 8 = center field, 9 = right field. So 6-4-3-2 reads as shortstop → second baseman → first baseman → catcher. The first three numbers, 6-4-3, are the classic double play: the shortstop fields the grounder, throws to the second baseman to force the lead runner, and the second baseman relays to first to retire the batter. The trailing 2 is a throw to the catcher at home plate — after completing the double play, the first baseman fires home to try to cut down a runner who was scoring from third. The standard reading is therefore "a 6-4-3 double play extended by a play at the plate," not automatically a triple play.
How the 6-4-3-2 Sequence Works
The play unfolds as a chain of throws, each recorded by position number:
- 6 (shortstop) fields the ground ball.
- 4 (second baseman) takes the throw at the second-base bag, forcing out the runner advancing from first. That is the first out.
- 3 (first baseman) receives the relay to retire the batter-runner at first. That is the second out — completing the 6-4-3 double play.
- 2 (catcher) receives a throw home from the first baseman, as the defense tries to prevent a run scoring from third or to record a third out at the plate.
Here is the ball path drawn on the diamond:
2B bag
(4)
/ \
/ \
SS(6) -- -- 1B (3)
\ |
\ |
\ |
\ |
\ |
HOME / C (2) <---- throw home
The flow of the ball: SS (6) → 2B bag (4) → 1B (3) → home / C (2). The first three touches are the double play; the fourth is the throw to the catcher.
Is 6-4-3-2 a Triple Play?
This is the key point of confusion, and the honest answer is it depends on the result of the throw home. The trailing 2 only describes that the first baseman *threw to the catcher* — it does not by itself tell you whether the runner was actually tagged or forced out at the plate. If the catcher applies the tag and the runner is out, then yes, you have three outs and a 6-4-3-2 triple play. If the runner slides in safely, the run scores and the play remains a 6-4-3 double play that simply included an unsuccessful throw home (and a scorer may note the play at the plate separately). So 6-4-3-2 is best understood as a 6-4-3 double play with a play at the plate, and only sometimes a triple play. The notation describes the path of the ball, not the certainty of three outs.
Worked Example
Bases loaded, nobody out. The batter hits a sharp ground ball to the shortstop (6). The shortstop steps on or throws to second base (4) to force the runner coming from first — out number one. The second baseman relays across the diamond to first (3) to retire the batter-runner — out number two, and the 6-4-3 double play is in the books. Meanwhile, the runner who was on third has broken for home. The first baseman, seeing the play, fires to the catcher (2). If the catcher tags the runner before he touches the plate, that is out number three and the scorebook shows a 6-4-3-2 triple play. If the runner beats the tag, the run counts, the inning continues with two outs, and the play is recorded as a 6-4-3 double play with a (failed) play at the plate. Same notation, two very different outcomes depending on that final throw.
Why It Matters
Scorekeeping notation is the universal shorthand that lets anyone reconstruct exactly what happened on a play from a single line in a scorebook or box score. Reading 6-4-3-2 correctly — recognizing the embedded 6-4-3 double play and understanding that the trailing 2 is a throw home, not an automatic third out — separates fans who know the notation from those who guess. It also matters for accuracy: the common assumption that any four-number sequence ending in a force-and-tag is "a triple play" is wrong, and 6-4-3-2 is the clearest example of why the result, not the notation, determines the number of outs.
In Legends Deck
Legends Deck's defensive engine resolves multi-base ground-ball situations exactly like a real infield, chaining throws by position and checking each out against the baserunners' speed. Whether a simulated 6-4-3 double play extends into a 6-4-3-2 — and whether that throw home actually nails the runner — depends on the fielders' arm and the runner's sprint speed card ratings. Fast baserunners beat the throw home and turn a would-be triple play into a run; rangy, strong-armed infielders turn it the other way. See which 2026 runners would beat that throw home on the 2026 MLB sprint speed leaderboard, or browse every Statcast ranking on the leaderboards hub.