Bobcats, Grizzlies capsules for Oct. 31

Cal Poly at No. 3/3 Montana St. When: Saturday, 1 p.m.; TV — Scripps/ESPN+. Web — Varsity App; Radio — Bobcat Radio Network. Where: Bobcat Stadium (17,777, FieldTurf). Records: CP is 4-5, 3-3 in the Big Sky. MSU is 7-1, 4-1. When the Mustangs have the ball: Quarterback Anthony Grigsby Jr., has thrown for 2,142 yards and 17 touchdowns. Running…