Country star Dierks Bentley is set to become a father for the third time. The Home hitmaker has told Twitter.com followers his wife Cassidy is pregnant again and the baby is due in the autumn (13). He also compared his family situation to an American football team and reached out to his friend Tim McGraw for advice. In a post, he writes, "So my wife and I will be changing our family defensive strategy come the fall. Switching from (football strategy) man-to-man to zone. #3! Advice Tim McGraw?!" Bentley is already dad to two daughters, four-year-old Evie and Jordan, two, while McGraw has three girls with his wife Faith Hill.