Corsi is an advanced statistic used in the game of ice hockey to measure shot attempt differential while at even strength play.
The Corsi number was named by Tim Barnes, a financial analyst from Chicago working under the pseudonym Vic Ferrari.
Alternatively, Corsi can be viewed as simply providing a metric closely tied to shots, but with a greater sample size.
This increased sample size means that most players will be on the ice for a statistically relevant number of Corsi events each game.
For this reason, additional advanced metrics, for instance using raw Corsi values adjusted against frequent on-ice teammates', can provide a more accurate assessment of individual players' contributions.
Ending with the 2020-2021 regular season and only looking at 5v5 stats, Connor McDavid has been on the ice for 6776 Corsi for events and 397 goals for.