That is, the last person to put in a bet or raise. Suppose it folds to the button pre-flop who raises, the small blind folds and the big blind folds in a no-limit hold’em game. The flop would then be dealt, and at this point in the hand, it could be said that the button has the initiative and has been the most aggressive so far in the hand.
nice article, thanks.
maybe change the bolded to calls.