After drilling mechanics, dropbacks and movement throws with passing coach Jose Mohler at the park about 35 miles north of San Diego, the real competition began -- a homegrown version of quarterback HORSE. Their buddies, twins Jayven and Kiran Sandhu, ran routes while the Sayin brothers called their shots, grading each other's 10 throws. The loser picked up the tab at the smoothie shop around the corner before everyone headed home for online high school.