We simulate the player’s game tens of thousands of times and show the chance of every number on the prop. Then we check our own accuracy in public, number by number.
1
Simulate
We take a player's game and play it out tens of thousands of times: 40,000 for a starting pitcher, a quarterback or a shooter, 20,000 for a receiver or a running back. Each run starts from how much he is likely to be used (pitches, pass attempts, targets, carries, minutes) and then plays out every chance one at a time. In some versions of the game he has a huge day; in some he is done early. Stack those runs on top of each other and a shape appears: his full range of outcomes. From that shape we read the projection and the chance of every number on the prop.
2
Screen
Talent does not matter if the player is not out there. Before anything reaches the board, each projection is checked for what can cut a game short or change a role: a pitch limit or a quick manager, an injury designation, a teammate ruled out, wind at kickoff, a blowout script. When news changes the picture, the affected players are simulated again. The number keeps updating until it freezes fifteen minutes before the game starts, and that frozen number is the one we grade.
3
Check & publish
The projection is the product, so we grade it like one. Once the games are final, every projection is checked against the box score and posted to the Results page: hits and misses, with nothing removed afterwards. A projection is a hit when the player met or beat the projected number. When we say 40%, you can watch whether it happens about 40% of the time, and you can pull up any player by name and see our record on him alone. Plenty of sites show you their best nights. We show the whole record, because trust you can check beats trust you are asked for.
What’s on the board
MLB
Strikeouts, every starting pitcher
Published each afternoon and simulated again once the batting order posts, so the nine real hitters are in the number. Graded the next morning. During the game the live tracker re-simulates the rest of the start from where it actually stands: free for the starters closest to their line, every starter in Advanced.
NFL
Passing, receiving and rushing
Passing yards, attempts and completions for quarterbacks; catches and receiving yards for receivers; rushing yards for running backs. Published Wednesday morning, refreshed on injury and inactive news through the week, graded after the games.
NBA
Threes, points, rebounds and assists, every rotation player
Published each game-day morning and refreshed through the afternoon as injury reports and lineups settle. Graded the next morning.
The board is free, and so is the last 30 days of the record.