Player props are the fastest-growing market in NBA betting, and for good reason. Instead of betting on which team wins, you bet on what an individual player does: how many points he scores, how many rebounds he grabs, how many assists he dishes out, or some combination of the three. For a bettor who watches the league closely, these markets can be softer than the main lines, because books have to price hundreds of players every night, and they cannot watch every rotation change and injury update as closely as a focused bettor can.

The first thing to understand is that a prop line is a projection, not a prediction. When a book sets a player's points line at 24.5, it is saying the player is expected to score around 24 or 25 points. Your job is to decide whether the real number should be higher or lower, based on the matchup, the minutes, the usage, and the game script. If you think the player should be at 27 or 28, the over has value. If you think he should be at 21 or 22, the under has value. If your number matches the book's number, pass.

Minutes and usage are the two numbers that drive almost every prop. A player who plays 35 minutes with a high usage rate will have far more chances to score, rebound, and assist than a player who plays 22 minutes off the bench. Check the recent rotation before you bet: has the coach shortened the bench, has a teammate been injured, has the player been playing more minutes in close games? A small change in minutes can move a prop line by several points, and the books are often slow to adjust when a rotation change is new.

Matchups come next. Pace matters: a game against a fast team that takes a lot of shots creates more possessions, more rebounds, and more assists for everyone on the floor. Defensive matchups matter too: a centre who faces a team with weak interior defence is a better rebounding and scoring bet than one who faces an elite rim protector. Foul trouble is another angle: a player who defends aggressively against a star scorer may pick up early fouls and sit, which kills his props. Check who is guarding whom, and how the opponent defends each position.

The game script is the trap that catches many prop bettors. If a game is expected to be a blowout, the starters may sit in the fourth quarter, which kills their props no matter how well they played in the first three quarters. Conversely, a close game with overtime potential gives players extra minutes and extra chances. Before you bet a prop, ask yourself what the final ten minutes of the game will look like, and whether the player you are backing will still be on the floor. Back-to-backs, rest days, and travel also change how many minutes a star player is likely to get.

Player props reward research, but they also carry higher variance than team bets, because one player's night can swing on a hot shooting streak, an early foul, or a coach's decision to rest him. Bet them in small stakes, track your results by market and by player, and remember that the line moves fast, so the price you get matters as much as the pick itself. Shop for the best line, check the injury report close to tip-off, and never bet a prop on a player whose minutes are uncertain. Bet responsibly and set a budget you can afford. Check the starting lineups and the injury report close to tip-off, because a late scratch can change a player's minutes completely.