Discarding 2s, 3s, and 4s in Cribbage: Low Card Strategy

Low cards — 2s, 3s, and 4s — are often underestimated. While they score less impressively in the hand than middle cards, they carry significant pegging value and are among the safest discards to an opponent’s crib. Understanding when to keep or throw them separates average players from consistent winners.

The 4: Cribbage’s Most Underrated Low Card

The 4 is stronger than most beginners appreciate. It occupies a sweet spot: low enough to be a safe pegging lead, but connected enough to combine into strong hands.

Why 4s Are Worth Keeping

Run connections: A 4 sits between two powerful run clusters:

• Low runs: A-2-3-4, 2-3-4, 3-4-5
• High runs: 4-5-6, 4-5-6-7, 3-4-5-6

Fifteen potential: While a lone 4 doesn’t reach 15 with a single card, it contributes to three-card fifteens:

• 4+4+7 = 15
• 4+4+A+6 = 15
• A+4+10 = 15

Double run power: 3-4-4-5 is a classic double run worth 8 points. 4-4-5-6 and 4-4-3-2 are similarly strong.

Pegging lead: A lead of 4 is safe — only an A-2-3-4-5 sequence could awkwardly respond, but no single card makes 15 from a 4 lead (4+11 doesn’t exist).

When to Throw a 4

Discard a 4 when:

• You have a stronger four-card combination without it (e.g., keep 5-6-7-8 and throw 4-X)
• You are the dealer and the 4 would pair nicely with another card in your own crib
• Your hand has enough 15-making structure without the 4

Never discard a 4 alongside an Ace to your opponent’s crib — 4+A = 5, which pairs with any ten-card for a run/fifteen combination.

The 3: Safe Lead, Weak Hand Contributor

The 3 is primarily a pegging card. In the hand, it contributes to runs but rarely forms fifteens alone.

3s in the Hand

Runs: 3 connects in A-2-3, 2-3-4, 3-4-5. These are legitimate run combinations.

Fifteens: Rare from a lone 3 — needs three cards minimum (3+3+9, 3+5+7, A+A+3+10).

Pair value: A pair of 3s in hand scores 2 points and has run potential if you hold a 2 or 4 alongside it.

Pegging With 3s

A lead of 3 is one of the safest possible pegging plays:

• Opponent needs a 10-value card to reach 13 (no 15)
• Opponent needs a 3 to pair (only 3 remain in the deck)
• Common response is a 2 (total 5), setting up a 10-card response for 15

Discarding 3s

To your own crib: A lone 3 is a weak crib contribution unless paired with another 3 or a connected card (2, 4). A 3-4 to your own crib has mild run potential.

To opponent’s crib: A lone 3 is one of the safest discards in the game. No single card makes an automatic fifteen from a lone 3 in the crib. Two 3s to the opponent’s crib is riskier — they guarantee 2 points and have run potential.

Dangerous 3 combinations to avoid sending to opponent’s crib:

• 2-3 (could join 4-5 for a double run)
• 3-4 (run potential with 2-5 or 5-6)
• 3-3 (guaranteed pair plus run potential)

The 2: Pegging Specialist

The 2 is the weakest hand card but the safest pegging lead in the game.

2s in the Hand

Runs: A-2-3, 2-3-4, A-2-3-4 are the only runs a 2 contributes to.

Fifteens: Extremely rare — 2 needs three other cards to reach 15 alone (2+4+9, 2+6+7, 2+3+10).

Expected hand value: A lone 2 in your kept hand contributes roughly 0.5-1.5 additional expected points (run and fifteen potential with unknown starter). Compare this to a 7 or 8 (roughly 2-3 expected additional points).

Why 2s Lead So Safely

A lead of 2 is the safest opening play in pegging:

• Opponent needs 13 to reach 15 — no single card does this
• Opponent can pair with a 2, but only 3 remain in the deck
• Common response is to play a low card (2, 3, 4) — low-count game develops slowly

This is why advanced players sometimes keep a 2 specifically for pegging even if it doesn’t contribute to their hand.

Discarding 2s

To your own crib: A lone 2 is poor crib material. Two 2s (pair) contribute 2 points plus potential. A 2-3 has run potential.

To opponent’s crib: A lone 2 is among the safest discards available — nearly as safe as the Ace-King split. Its crib value in isolation is minimal.

Combinations to avoid:

• A-2 (total 3, connects with 3-4 for a run)
• 2-3 (connected, run potential)
• 2-2 (guaranteed pair)

Side-by-Side Comparison

Practical Scenarios

Scenario 1: Dealer, 6-Card Hand: A-2-4-5-8-K

Options:

• Keep A-2-4-5 (run A-2-? + 5 synergy) / throw 8-K to crib → run potential in crib
• Keep 4-5-8-K (two fifteens: 5+K=15, 5+8+? ) → 2 points + growth / throw A-2 → risky (connected, run potential in opponent’s crib)
• Keep A-5-8-K / throw 2-4 → safer but weaker hand

Best as dealer: Keep A-2-4-5 (double run potential + pegging flexibility), send 8-K to your own crib (moderate crib).

Scenario 2: Pone, Hand: 2-3-J-Q-K-4

• Keep 2-3-4-J or 2-3-4-Q or J-Q-K-2
• Keep J-Q-K-4: two fifteens (J+4=14? No), three near-pairs in Jacks/Queens/Kings… Actually keep J-Q-K + low
• Keep 2-3-4 + face card for run potential

Best as pone: Keep J-Q-K-2 (2+K+? → need another card; actually K+2 = 12 no fifteen but flexible) vs 2-3-4-K (run + K flexibility). Throw the two highest cards not kept to opponent’s crib — in this case if keeping 2-3-4-J, throw Q-K (wide, low crib risk).

Summary Rules for Low Cards

Continue reading: Discarding 5s — the most important discard decision in cribbage · Discarding Aces · Full Discard Strategy Guide