Buffalo Bills linebacker Von Miller has been hired by lawn and garden-care company Pennington to serve as a spokesman in ongoing efforts to persuade NFL teams to dump artificial turf for real grass according to Tim Nudd of AdAge.com.

Miller stars in a new commercial that will debut this weekend for the draft.  The company said that one unnamed network rejected the ad. The effort also will include podcast ads and radio commercials aimed at getting viewers to sign a petition aimed at pressuring the teams that don’t use grass to make the switch.

This cause is a personal one for Miller as the  Super Bowl 50 MVP suffered a torn ACL on fake grass at Ford Field on Thanksgiving Day.  The campaign comes at a time when the NFL Players Association has made the case for real grass, accusing the NFL of playing public relations games in an effort to justify keeping artificial surfaces. Meanwhile, multiple NFL venues with artificial turf have gladly agreed to install grass in order to host World Cup games.

Miller's own home stadium in Buffalo does not have grass.