ARLINGTON – A piece of metal and small debris fell onto the field while AT&T Stadium's retractable roof was being opened Monday before the Cowboys-Texans game.No injuries were reported, according to the Cowboys.

The Cowboys' plan to open the AT&T Stadium roof for Monday night's game against the Texans was scrapped because a piece of metal fell to the field as the roof was opening more than two hours before kickoff.

A large piece of metal came loose and crashed onto the field at AT&T Stadium near Dallas on Monday, hours before the home team Dallas Cowboys were set to play the Houston Texans, but no injuries were reported.