10/11/15
6-foot-4, 195-pound prospect. Upright, slightly closed stance. Explosive through the zone within a pull side approach. Recorded a 90 mph exit velocity with some impressive bat speed. Shows quality outfield instincts with a strong throwing arm. On the mound, Yambor uses his big frame to drive his 82-85 mph fastball downhill, setting up his put-away breaking ball at 67-72 mph. 

2/15/15
6-foot-4, 185-pound projectable frame. From the outfield his best tool is his arm strength. Tends to open up on his throw. From over the top he showed 84 mph velocity on his throw. Right-handed hitter that has quick hands and flat swing, but doesn’t finish it at times. Registered top exit velocity of 84 mph off a tee and ran 7.47-60. On the mound he uses a clean delivery with minimal effort and lands on line. Easy arm speed with fastball sitting 79-81 mph with good command. Breaking ball had some depth to it at 64-66 mph and showcased a changeup at 69 mph.

10/19/14
6-foot-4, 180-pound prospect.  Quick high ¾ arm slot with good tempo on the mound. Fastball was 79-81 mph. 11/5 curveball with gradual break at 64-68 mph and changeup with good downward sink at 70-72 mph. Good actions with footwork and glove in the outfield, with strong throws at 83 mph. Ran a 7.42 60-yard dash. Tall upright stance with strong quick hands in a gap to gap approach. Bat speed registered at 85 mph.