Not 100% sure what you are driving at

but for Purdy he's praised for good base, usually that was off in super bowl by hopping

look at these and see if you think it's a good thing or a bad thing
[x.com]

[x.com]


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usually when guys gt out of their base it leads to bad throws but i need to see examples of the other guys you are talking about
to see what you mean.

Purdy has flaws ... several of them to me, but his base and footwork are not among them. See what you think

[youtube.com]