What Is an Over in Cricket? — 6 Balls, Bowler Limits & Over Counts

An **over** is one of cricket's most fundamental units: a set of exactly **6 legal deliveries** bowled consecutively by one bowler from one end of the pitch. When the 6 balls are complete, the over ends and a different bowler takes over from the opposite end.

What Counts as a Legal Delivery?

Only fair deliveries count toward the 6. A **no-ball** (front-foot fault, head-high full toss, deliberate distraction) or a **wide** (too far from the stumps to be playable) does NOT count — it must be rebowled. Extra runs are added to the batting side's total as a penalty.

Overs by Format

Phases of an Innings

Overs are grouped into tactical phases. In an ODI (50 overs), over 1–10 are the **powerplay** (fielding restrictions apply), overs 11–40 are the **middle overs**, and overs 41–50 are the **death overs** — the most intense phase of scoring.

• **Powerplay (ODI: 1–10, T20: 1–6):** Only 2 fielders allowed outside the 30-yard circle; batsmen attack.
• **Middle overs:** Bowlers set traps; run rate typically dips as batsmen rotate strike.
• **Death overs (ODI: 41–50, T20: 16–20):** Big hitting expected; specialists bowl yorkers and slower balls.

Bowler Limits Explained

In limited-overs cricket, no single bowler can bowl more than their allotted maximum. In a T20, a bowler's maximum is 4 overs (20% of the innings). In an ODI, 10 overs (20%). This rule prevents teams from relying on one elite bowler for the whole match and rewards depth in the bowling attack.

Why Overs Matter for Strategy

• **Run rate pressure:** Required Run Rate (RRR) = runs needed ÷ overs remaining. As overs decrease, RRR climbs.
• **Captain's rotation:** Saving a quality bowler for the death overs is a key tactical decision.
• **DLS calculations:** Duckworth-Lewis-Stern uses overs remaining (not balls) as a key input when rain reduces a match.