This past weekend, Jordan Spieth had a share of the lead at The Players Championship going into Sunday before shooting a 74 and finishing tied for 4th. This brought up discussion of Spieth having “collapses” on Sunday, and sparked my interest in seeing what was giving the young superstar issues on the final day. In the end, I found some interesting pieces to the puzzle along with some very typical trends of players that have a tendency to struggle on the weekend.

For starters, his poor play in final rounds has been greatly exaggerated. Here is a look at Spieth’s rankings in scoring average by round, out of 199 players:

Round 3 has given Spieth more issues than Round 4 this season. Here is a look at his scores by event, and I highlighted the weekend scores where he shot greater than 72.

The numbers show that Spieth’s Round 4 “collapses” are overblown. In fact, if he was able to perform better in Round 3 this year, he likely would have come away with at least one victory in 2014 and performed much better in at least three different events.

What we do see is that Spieth is a terrific golfer in Rounds 1 and 2. This is critical to any golfer’s success in events, as there is a very strong mathematical correlation to playing well earlier in an event and having success in that event. For the Tour, it is very clear that Round 1 scoring average has the greatest correlation to success on Tour. That is followed directly behind Round 2 scoring average. There is then is a large drop off when we look at the correlation between success on Tour and Round 3 scoring average. And Round 4 Scoring Average has the lowest correlation to success on Tour of all of the scoring averages by round.

Recently, I took a look at this for state amateur events that were at least two rounds in California, Florida, Georgia and Texas, and the same correlations occurred. Playing well early gives golfers the best chance to win the event. And too many golfers, be it amateurs or professionals, try to play too conservatively early in events in order to ease their way in. This is why Spieth has been so successful this year despite his weekend struggles. He gets himself off to good starts and puts himself in a good position to win the event.

Despite Spieth’s Sunday struggles being exaggerated, I did find some parts of his game that are very typical of Tour players who have issues with performance on the weekend. Here’s a look at Spieth’s key metrics this season versus last season:

What is interesting about Spieth is that while his 2013 metrics were outstanding, he is actually a better short game player and putter this season. But, his driving has badly regressed and this is the most common trend of Tour players that tend to play worse on the weekend compared to Thursday and Friday. Here’s a look at Spieth’s driving metrics:

Spieth’s accuracy and precision off the tee is the biggest reason for his decline in his driving effectiveness and it is a common trend of golfers who tend to have issues playing on the weekend. But, it is also important to take note of his distance metrics.

First, his 2014 rankings are based out of 199 players while his 2013 rankings are based out of 180 players. Here is how his distance rankings compared the past two seasons:

Measured drives are the old fashioned way to measure distance where the Tour uses two holes to measure the drive for each round. This is a fairly important metric, as it is usually done on holes where 95 percent of the golfers will hit driver on that hole. Distance on “all drives” is measured with a laser from ShotLink. When we combine these metrics, we can get an idea of how aggressive the player is off the tee because the rankings should be pretty much the same.

For Spieth, he ranks much better in the All Drives category than the Measured Drives category. This indicates he is fairly aggressive off the tee and does not lay up very often. However, I have some concerns with his distance on “measured drives.” It has dropped noticeably from last year, which indicates he is not hitting it as far when he is pulling out the driver. With that, I want to take a look at his radar metrics to see what the possible changes are this year:

It appears that Spieth may be trying to hit his driver with more of an upward attack angle, because his launch angle and max height are up while his spin rate is lower. The other thing I noticed is that he went from having a rightward-miss bias to a leftward-miss bias. None of these radar metrics are “bad” per say, but I feel it has created a different ball flight and he is struggling to adjust to that.

If there is a large concern for me, it is that typically the most effective drivers of the ball on Tour have kept their spin rate between 2,400-and-2,800 rpm. For Tour players, spin rates that are too low can cause accuracy issues, and Spieth is lowering his spin rate instead of increasing it a bit. Perhaps it is all being done to increase distance off the tee, but he is actually hitting his measured drives shorter this season and is so much less accurate off the tee that he is nowhere near as effective off the tee as he was last year.

And his accuracy issues off the tee have spilled over into his approach shot play. While he is still a very good iron player, his regression is largely due to having less approach shots from the short grass.

So, Spieth’s skill on approach shots has not really changed as much as he is leaving himself with shots that have a higher degree of difficulty.

Lastly, while Spieth has putted well overall this year, there is a key putting metric that he has struggled with that is common in golfers that regress on the weekend:

The reason for Spieth ranking well in strokes gained-putting is that he is a very good putter from 5-to-25 feet. His weakness putting is from 3-to-5 feet. So on the weekends, his struggles with accuracy off the tee are not helped by his inability to consistently make those knee knockers.

I don’t believe that Spieth should be given the “choker” label. As the first set of metrics show, he has actually played pretty well on Sundays this year and Saturdays have been much more problematic. Spieth was not very good from 3-to-5 feet last year, and that will likely be a more difficult issue for him to resolve since he has yet to prove that he can putt well from that distance. However, the bigger issue is with his driving and whether it is a swing mechanics issue, an equipment issue or both.

Spieth should look to get his launch monitor data closer to last year, because he was actually longer with the driver in 2013 and far more accurate which made him a far more effective driver of the ball.