Until a rule change in 2015, an extra point play was ruled dead if the defense gained possession of the ball. (sbnation.com)
I suppose the coach's plan was to gain possession in first half and hit them with our attackers in the second half. (justarsenal.com)
You may be able to indulge in some creative strategies, but be prepared to pull back and take a defensive stance if the opposition gains possession. (slaw.ca)