 New ideas were successfully tested, like using the two-point conversion rule also on the professional field before adopting it in the NFL in 1994.Other minor tweaks in gameplay, such as a shorter kickoff tee, were also first used in the WLAF.Despite boasts by WWF promoters of a "rules-light" game and universally negative reviews from the mainstream sports media early on, the XFL played a brand of 11-man outdoor football that was recognizable, aside from the opening game sprint to determine possession and some other changes, some modified during the season.