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Josh Faga Profile picture
Josh Faga
@joshfaga
Assistant Coach @herdmsoccer
Jan 20, 2020 • 24 tweets • 5 min read
Looking for some help with understanding xG. I think xG has the right intention, but I’m just not sure it tells us what we think it tells us. Us being coaches. Here is what I (think) I understand so far.

👇 Thread 👇 xG is essentially about probability. What is the probability that player A is going to score from situation B.

Through the collection of a lot of data points, the xG metric claims to have a pretty good idea of the probability of player A scoring from Situation B.
Jun 3, 2019 • 22 tweets • 4 min read
Sleep: The most overlooked and undervalued area of performance enhancement.

From my recent discussion with Dr. Steven Lockley of Harvard Medical School's Division of Sleep and Circadian Disorders

(Thread)
👇 Sleep splits up into two main parts:

1. Deep Sleep
2. REM Sleep