ST. PETERSBURG, Fla. – Whether it was baseball, basketball, football or soccer, Shawn Armstrong was usually going nonstop from sun up to sun down. If none of the above athletic activities proved fulfilling, he would turn to motocross. “I was always a physical kid, and I loved the competition and doing that type of stuff,” said the 33-year-old Tampa Bay Rays pitcher. It was toward the end high school that Armstrong thought about parlaying his love for physical activity into joining the military. Read: Rays Newcomers Pulling The Weight At The Plate While Others Struggle “I wanted be an Army Rang…