According to here the position change happened on Feb 3, 2018 @ 1:16pm pst.
According to This, the off-season started on Feb 2nd.
Therefore asipi posted his position change after the ultimimus, therefore after week 10.
And finally, here it states that the rule was put in place on Feb 13th.
According to This, the off-season started on Feb 2nd.
Therefore asipi posted his position change after the ultimimus, therefore after week 10.
And finally, here it states that the rule was put in place on Feb 13th.