The Ravens are bracing for their toughest test to date when they face the Bills and Quarterback Josh Allen in Week 4. OWINGS MILLS, Md. — The Ravens are bracing for their toughest test to date when they face the Bills and Quarterback Josh Allen in Week 4. Allen is a dual-threat quarterback that was one of the favorites to win NFL MVP this season. Over three games, Allen has completed 94 of 132 pass (71.2%) attempts for 1,014 yards with nine touchdowns and two interceptions. He also leads the team with 113 yards rushing and another score. “Probably the…