A growing number of companies and business interests have urged Arizona Gov. Jan Brewer to veto SB 1062, which would permit businesses to deny service to gays based on religious objections. Brewer has not yet indicated whether she will veto or sign the bill.
If she takes no action by Saturday, the bill will become law.
Citing a source it identified only as close to the situation, the publication said Wednesday league officials are evaluating what needs to be done to move the event from University of Phoenix Stadium in Glendale.
"No one wants to do this, but if the league's hand is forced, it would have to begin preparing for that process,'' the source said.
"It would be imprudent not to begin that process.''
The 1996 Super Bowl was played in Tempe after voters accepted a King holiday in a 1992 vote.
Tampa Bay would most likely be in line to get the 2015 game because it was the only other finalist when the NFL awarded the game to Arizona, SI said.