01/18/2013 - Baseball Factory National Spring Training at Pirate City Callahan continues to show improvements in his baseball abilities on the mound. Arm strength has improved as he threw his best velocity to date at 75 mph. Fastball showed a range of 72-75 mph. Breaking ball displays 10/4 shape with gradual break. He maintains arm speed on his changeup, showing a feel for with fading action. Command / control are a plus as he throws strikes with all his pitches. Stock will rise on the mound as he builds more arm strength through a long toss program.