Expected goals

Grego Sierra — xG and xA

Underlying expected output for Grego Sierra (Burgos) across the last 3 matches with Understat coverage. xG / xA are per-shot probability sums — they tell you what an average finisher would have scored from the chances Grego Sierra got. Sustained over/underperformance versus xG is the single most predictive form signal in football analytics.

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xG

0.00

vs 0 goals

xA

0.40

vs 0 assists

xG / 90

0.00

xA / 90

0.13

DateOpponentMinGxGAxA
09 Mayvs Almería90000.10
18 Aprat Castellón90000.20
11 Aprvs Sporting Gijón90000.10
Source: Understat per-shot xG model. Full Grego Sierra profile adds AI-authored context, last-5 ratings, sidelined timeline, and upcoming fixtures.