Foul ball question
Ball hit oddly, good contact, but off end of bat . Ball pops up th wicked spin. Ball lands in fair territory near third bas line. Upon contact with ground, off first bounce, ball begins to spin into foul territory. Pitcher seeing this leaps to keep ball in fair territory, as batter has remained in box. Pitcher leaps into foul territory, whilst in air pushes ball into fair territory and then lost her lands in foul territory. Third baseman grabs ball, now in fair territory, and throws out batter, still in box. Is this type of basketball, keep ball in play, legal?