Los Angeles Rams defensive end Aaron Donald (99) puts his helmet on after a stretching period during practice for the NFL Super Bowl 53 football game against the New England Patriots, Thursday, Jan. 31, 2019, in Flowery Branch, Ga. (AP Photo/John Bazemore)

Los Angeles Rams head coach Sean McVay directs his team through practice for the NFL Super Bowl 53 football game against the New England Patriots, Thursday, Jan. 31, 2019, in Flowery Branch, Ga. (AP Photo/John Bazemore)

Los Angeles Rams quarterback Jared Goff (16) hands off to running back Todd Gurley (30)during practice for the NFL Super Bowl 53 football game against the New England Patriots, Thursday, Jan. 31, 2019, in Flowery Branch, Ga. (AP Photo/John Bazemore)

Los Angeles Rams running back Todd Gurley (30) laughs with teammates as they stretch during practice for the NFL Super Bowl 53 football game against the New England Patriots, Thursday, Jan. 31, 2019, in Flowery Branch, Ga. (AP Photo/John Bazemore)