SCOTTSDALE — While the headline of Friday’s Cactus League opener will center around third baseman Nolan Arenado’s first home run in an Arizona Diamondbacks jersey, another player also made a significant impact against the Colorado Rockies.Thank you for reading this post, don’t forget to subscribe! Last spring, MLB introduced the at-bat challenge system, which allows … Continue reading D-Backs’ Gabriel Moreno makes early statement with at-bat challenges against Rockies