Per ESPN's Jamison Hensley, Baltimore Ravens quarterback Lamar Jackson filed an opposition claim with the U.S. Patent and Trademark Office this week to prevent NASCAR legend Dale Earnhardt Jr. from using a stylized No. 8 on merchandise.

Lamar Jackson trademarked the "Era 8" brand and Dale Earnhardt Jr.'s No. 8 branding cuts too close, Lamar says. Troy Aikman and his beer also targeted

Since then, Junior has run the #8 car in a race for the CARS Tour, a late model short track series in which Dale Jr. is a co-owner. And he’s also released merch featuring his #8 car that many fans associate with the Hall of Fame driver.