What is Strokes Gained? The Golf Stat That Changes How You Bet

If you’ve spent any time around serious golf bettors or PGA Tour analysis, you’ll have seen “SG” referenced constantly – SG Approach, SG Total, SG Putting. Strokes Gained is the most important statistical development in golf analysis since television made it possible to track every shot. Here’s what it means, why it replaced the old stats, and how to use it to bet smarter.

Why Old Golf Stats Don’t Work

Fairways hit. Greens in regulation. Putts per round. These were the traditional measures of golfer performance – and they all have significant flaws as predictive tools.

Fairways hit doesn’t account for the difficulty of the drive. A player who deliberately hits 3-iron off the tee every hole to keep it in play hits a lot of fairways – but they’re not playing particularly well. Greens in regulation doesn’t tell you how close to the pin those approach shots were. A GIR from 40 feet is very different from one from 8 feet. And putts per round is actively misleading – a player who misses a lot of greens but chips close will have a low putts number without being a good putter.

Strokes Gained solves all of this by comparing every shot to a baseline: the tour average for that exact situation.

How Strokes Gained Works

The principle is simple. For any given shot, there’s a known average number of strokes it takes a tour player to finish the hole from that position. If you’re in the fairway 150 yards out, the tour average is (say) 2.8 strokes to hole out. If you hit a shot that leaves you 6 feet from the pin, your expected strokes from there drops to 1.5. You’ve gained 1.3 strokes on the tour average with that one shot.

Do this for every shot across a round, and you get a precise picture of where a player is gaining or losing strokes against the field – broken down by area of the game.

The Four SG Categories

SG Off the Tee (OTT)

Measures how well a player drives the ball compared to tour average – accounting for both distance and accuracy. A player with +0.5 SG OTT is gaining half a stroke per round on the average tour player from the tee. Long hitters who keep it in the fairway dominate this category. Rory McIlroy sits at +0.78 SG OTT on Statz – 2nd on tour. He hits it miles and finds the fairway. That’s genuine elite-level advantage off the tee.

SG Approach (APP)

Measures iron play – how close to the pin a player hits their approach shots compared to the tour average from the same distances and lies. This is the most important SG category for predicting results on the majority of PGA Tour courses. An elite approach player consistently creates birdie opportunities; an average approach player leaves themselves difficult two-putt pars.

SG Around the Green (ARG)

Covers chipping, pitching, bunker play – any shot within 30 yards of the green that isn’t a putt. Players with strong ARG numbers are the “scramblers” – they miss greens but minimise the damage by getting up and down. Critically important for players whose iron play is inconsistent.

SG Putting (PUTT)

Measures putting performance against tour average on a hole-by-hole basis, accounting for distance and green conditions. A player with +0.5 SG Putting per round is holing more putts, from the same distances, than the average tour player. Over 72 holes, that’s 2 strokes gained purely on the greens – a meaningful edge.

Reading SG Numbers

Positive = better than tour average. Negative = worse. The scale matters:

• +1.5 or above: Elite, tour-leading level in that category
• +0.5 to +1.5: Strong, top 20-30% on tour
• 0 to +0.5: Average to slightly above average
• Negative: A genuine weakness – leaking strokes in that category

The Statz Golf Leaders table shows you exactly where every player on tour ranks across all four SG categories – updated after every round.

Why SG Predicts Future Performance

Results in golf have significant short-term variance. A player can play brilliantly and finish T15 because their holed putts percentages were average. Another player can win with a below-par SG performance if everything drops at the right moments. Over 5 or 6 tournaments – roughly 20 rounds – the variance smooths out and SG becomes a highly reliable predictor of future performance.

This creates genuine betting value. A player with strong SG numbers who has had three poor results is likely to rebound. A player with weak SG who has won recently is likely to regress. The market prices results; SG tells you the truth underneath them.

A Worked Example

McIlroy at the 2026 Masters. His Statz profile shows +0.78 SG OTT (2nd on tour), +0.60 SG APP (25th) – both elite. His SG Putting sits at -0.38 (146th) – a genuine weakness. Augusta National’s greens are among the fastest and most demanding on the Major rota. The market prices McIlroy as a legitimate favourite. The SG data says his putting leakage is a real risk on the most putting-intensive Major course of the year. That context should directly influence how confidently you back him and at what odds you’d consider it value.

That’s Strokes Gained in practice. Not just a number – a lens through which every golf bet gets sharper.

Explore SG data for every player on tour at statz.ai/golf/leaders and use the Compare tool to see side-by-side SG breakdowns before any bet.