MLB Playoff Tiebreakers Without Game 163: How Postseason Berths Are Decided
MLB playoff tiebreakers now settle regular-season ties with results teams have already recorded. Clubs do not play an extra Game 163. For a two-team tie, the first check is head-to-head record; if that does not separate the clubs, MLB moves to division and league records, then to specified intraleague games. Three- and four-team ties use additional group comparisons.
Why MLB no longer plays Game 163
MLB eliminated tiebreaker games when it expanded the postseason from 10 teams to 12 in 2022. Each league now sends six clubs to the playoffs: three division winners and three Wild Cards. MLB uses mathematical tiebreakers so the postseason can begin on schedule and division winners with first-round byes are not left waiting for an extra regular-season game.
The top two division winners in each league receive byes to the Division Series. The third division winner and the three Wild Cards enter the best-of-three Wild Card Series. Seeding determines the matchups and home field: No. 3 plays No. 6, while No. 4 plays No. 5. MLB’s postseason format FAQ explains the bracket, and its 2026 tiebreaker rules lay out how ties are resolved.
Two-team MLB playoff tiebreaker order
When two clubs are tied for a division title, Wild Card place, or postseason seed, apply the criteria below in order. Stop at the first one that separates them.
| Order | Criterion | How MLB compares the teams |
| 1 | Head-to-head record | Which club had the better record in its regular-season games against the other? |
| 2 | Intradivision record | Which club had the better record against teams in its own division? |
| 3 | Intraleague record | Which club had the better record against teams in its league: AL or NL? |
| 4 | Last half of intraleague games | Compare each team’s record in its intraleague games after the All-Star break. |
| 5 | Last half plus one | If still tied, compare the outcome of the last game in the first half of intraleague games, then move backward one qualifying intraleague game at a time. |
Head-to-head is the first answer
Suppose two clubs finish 88-74 while competing for the final Wild Card spot. If Club A went 4-2 against Club B, Club A wins the tiebreaker and takes the berth. No extra game, coin toss, or run-differential calculation is needed. The same first step applies when tied division leaders are competing for a title or when playoff seeds are at stake.
Division and league records come next
If the teams split their season series, compare each club’s record within its own division. This applies even if the two Wild Card contenders come from different divisions: an AL East team’s division record is compared with the AL West contender’s own division record.
If those records are also equal, compare intraleague records. An AL club is measured against AL opponents, and an NL club against NL opponents. MLB’s next comparison uses intraleague games played after the All-Star break. That means “last half” does not mean splitting the full schedule at its exact mathematical midpoint. If the records remain tied, MLB checks the specified first-half intraleague game and works backward through qualifying games until the tie breaks.
How three-team ties are resolved
MLB first examines the tied clubs’ records against one another. If all three have identical records within that group, the sequence is: winning percentage in intradivision games, winning percentage in intraleague games, winning percentage in the last half of intraleague games, and then the last-half-plus-one procedure.
If their head-to-head records are not identical, a club that has a better record against each of the other two qualifies ahead of them. If no club has that clear advantage, MLB compares the teams’ combined winning percentages in games among the tied clubs. If two clubs remain level at a decision point, the two-team tiebreaker applies to that pair; if all three remain level, MLB returns to the identical-record sequence.
For example, if Teams A, B, and C are tied for one berth, and A has a winning record against both B and C, A gets the berth. If no team has the best record against both rivals, the combined results among the three become important.
When a division title and a Wild Card are both involved
If three tied teams are competing for a division title and one Wild Card place, MLB first uses the three-team procedure to identify the division champion. It then removes that team from the Wild Card comparison and applies the standard two-team rules to the remaining clubs. The tiebreak process is recalculated for the position still available.
How a four-team tie works
For four clubs tied for one spot, MLB first checks whether one team had a better record against each of the other three. If so, that club qualifies. Otherwise, MLB compares winning percentage in games among the four tied teams, then intradivision winning percentage, intraleague winning percentage, the last half of intraleague games, and last-half-plus-one results.
If a step leaves two or three clubs tied, MLB uses the corresponding two-team or three-team procedure to rank that smaller group. The rules also apply when several tied teams are competing for multiple postseason positions or when their exact seeds must be set.
What a tiebreaker can change
The result can decide more than whether a team is in or out. It may determine a division champion, a Wild Card berth, the order of Wild Card seeds, or which division winners receive the two first-round byes. Division winners are seeded ahead of Wild Card teams, even if a Wild Card club has a better regular-season record than a division winner. Within the bracket, the higher seed hosts every game of its Wild Card Series.
What does not break an MLB playoff tie?
Run differential, total runs scored, record in the last 10 games, and strength of schedule do not replace MLB’s published sequence. A standings display may show tied clubs in a particular order, but the official tiebreak criteria—not a team’s run margin—decide the relevant berth or seed. Head-to-head is the starting point for a two-team tie, followed by the listed division and league comparisons.
A quick checklist for checking a tied berth
- Confirm which clubs have the same record and identify what is at stake: a division title, a Wild Card spot, or a seed.
- Count the teams involved in that specific decision. Use the two-, three-, or four-team procedure as appropriate.
- Start with head-to-head results and move down the official order only when the current criterion stays tied.
- After a berth or division title is assigned, reassess the remaining clubs and positions under the applicable smaller-group rules.
The practical takeaway is simple: MLB playoff tiebreakers use regular-season results, not another game. Check the correct group and postseason position, follow the official criteria in order, and stop when a rule separates the clubs.