Better Box Score Metrics: Team USA’s Winning EDGE [Pt. 5]

Comparing players using the EDGE metric (and other stat systems)

U24 USA National Team player Angela Zhu. Photo: Paul Rutherford — UltiPhotos.com

After describing various aspects of the new EDGE statistic in the first four parts of the series, it’s time to give a full view of how EDGE assesses player performances on a team.

But let’s make this interactive. Table 1 shows the 5-game summary stats for the 10 players on the 2019 U24 Women’s team with the top EDGE scores, but without listing the EDGE scores. Before scrolling down to see them in Tables 2 and 3, how would you assess the players’ relative contributions, using whatever method you like? Consider not just the ordering of overall impact, but the range as well.

PlayerThrowing YardsReceiving YardsGoalsAssistsHockey AssistsTurnoversBlocks
Campana7141363422
Elimelech443971132
Ismail461305212334
Iwamoto64712916530
Jezierski2262694424.53
Lee17137686510
McGhee410576163.51
Trop126825106324
Werffeli73815834821
Zhu81149777135.52

Table 1. Five-game summary stats for ten 2019 U24 Women’s team members, listed alphabetically. Note: Yardage is “net” downfield yardage, such that a 10-yard downfield throw and a 3-yard backward reset totals 7 throwing yards. Lateral yardage is not counted.

If you want a little more guidance, consider the output unit I’ve used for EDGE, which is goal equivalents. The entire team had 91 goal equivalents in EDGE methodology, so 3.6 goal equivalents would be the average (although not the median), given 25 players on the team. If it’s as relevant for you as it is for EDGE, you can also factor in the fact that over the five games, teams combined to average about 1 turnover per goal.

The point here is that EDGE outcomes are not counterintuitive, nor do they reveal something hidden from plain view; EDGE merely weights and combines components in a manner that attempts to reflect by how much teams win (or lose) games. So don’t expect surprises: the best outcome from my point of view is if EDGE scores align closely with most people’s intuition.

Hopefully, I’ve bought enough screen space with this chatter to prevent Table 2 from coming into view too early, as it shows the ordering of the offense-only (EDGE-O) scores, based on the 5-game summary model described in Part 4. I’ve included an additional column in order to pick up a discussion started in Part 3’s comment section.

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  1. Paul Würtztack
    Paul Würtztack

    Paul Würtztack is an Ultiworld analyst.

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