Is Justin Martinez ready to take over as the Arizona Diamondbacks' full-time closer? He thinks so, and so do two catchers who've worked with him.

Zac Gallen gave up one run in one inning on Monday, serving up a solo homer but retiring the other three batters he faced, striking out two.

PHOENIX (AZFamily) — The Arizona Diamondbacks and several other teams kicked off their Cactus League schedule on Friday, under clear blue skies and 80-degree weather. Thousands of baseball fans filled the stands and the outfield lawn at Salt River Fields to watch the D-Backs and Rockies kick off their Cactus League season.

Which Cactus League stadiums are the best? Check out this ranking of the Top 5 MLB spring training venues in Arizona, including Salt River Fields.

I remember covering an Arizona Diamondbacks game at Peoria Sports ... regularly invite some of their former greats to attend spring training and sometimes, even make them available for autograph ...

The Seattle Mariners scratched Luke Raley from Tuesday's spring training lineup. He had been scheduled to play first base as the Mariners take on the Los Angeles Dodgers at Camelback Ranch. Tyler Locklear,

The Diamondbacks' six free telecasts on DBACKS.TV are among 23 broadcasts to tune into during Spring Training along with 11 radio games between Arizona Sports 98.7 and ESPN 620 AM, two games in Spanish on Latino Mix 100.