Can first-year defensive coordinator Alex Grinch get his group ready for easily the most dynamic offense it has seen this season? Though Cal’s defense has improved, it’ll have a tough time limiting a Cougars passing attack that ranks ninth nationally. Key offensive player: Connor Halliday may be gone, but the Cougars’ aerial assault remains a staple. Falk is 111 of 152 for 1,070 yards and eight touchdowns with one interception. Key defensive player: The senior has emerged as a reliable cog in Grinch’s 3-4 scheme. Allison leads the team with 29 tackles and is tied for second with three tackles for loss. Cal defensive tackle David Davis started his college career at Washington State. The Cougars will test Cal’s secondary, but they likely don’t have the defensive depth to keep pace with the Bears for four quarters. The Pac-12 announced Monday that Cal’s Oct.