First goalscorer is a football betting market where you predict which player will score the opening goal of a match. Given the many possible scorers and the low probability of any individual being first, odds are typically long — ranging from 5/1 for leading strikers to 50/1 or beyond for defenders and goalkeepers.
The key factors for first goalscorer research are: penalty taking responsibility (penalty takers have a higher probability of scoring), set-piece delivery and receivers, team tactical shape (are they likely to score early?), individual player form and scoring rates, and injury/lineup news. A striker who starts regularly, takes penalties, and attacks aerial set-pieces has far more routes to being first scorer than a defensive midfielder.
Non-starter rule is the most important term to understand. Almost all bookmakers void first goalscorer bets if the selected player does not take the field from kick-off. A last-minute team sheet change can void a large parcel of bets. Checking confirmed lineups before placing is essential.
Own goal rule: own goals are not attributed to any player. If the game's opening goal is an own goal, first goalscorer markets remain unsettled until a player scores directly. This rule occasionally creates unusual scenarios where the first valid goalscorer scores in the 80th minute despite the "first" goal going in at 3 minutes.
Example
You research a match and identify that a striker — who takes penalties and attacks every corner — has scored first in 4 of his last 10 matches, suggesting a genuine 35-40% chance of being involved in the opening goal. Priced at 6/1 (14.3% implied), there is potential value. A £10 first goalscorer bet at 6/1 returns £70 if correct.