Parker McCollum has a feeling his 1-year-old son, Major, is going to keep him busy for years to come. Major turns 2 on Aug. 8, and according to McCollum, he's already full of energy — and just mischievous enough to keep his parents on their toes. Parker McCollum Shares Hilarious Update on Son Major Before BirthdayThe "Pretty Heart" singer was a guest on Country Countdown USA, where he revealed just how wild Major is. "He's walking, he's running, he's throwing, he smokes a golf ball. READ MORE: Parker McCollum Welcomes His Second Child"Luckily he's only 2, so he'll never know that Dad was late to his birthday," McCollum says with a smile.