Arizona Diamondbacks GM Mike Hazen wants to see a healthy Justin Martinez and A.J. Puk before seeking another top-end arm before the trade deadline.

Arizona Diamondbacks right-handed pitcher Scott McGough, at 35, has made adjustments to allow him to remain a major league-caliber pitcher.

Three players stand out due to their struggles, and Diamondbacks fans are fed up with their constant slumps.

PITCHING PROBABLES: Diamondbacks: Merrill Kelly (5-2, 3.26 ERA, 1.00 WHIP, 52 strikeouts); Cardinals: Matthew Liberatore (3-3, 2.92 ERA, 1.03 WHIP, 47 strikeouts)

Arizona is home to one of baseball's most unique venues. From it's retractable roof to the pool located beyond the wall in left-center field, Chase Field offers fans a fresh baseball experience. Arizona Diamondbacks Established: 1998 National League West Ballpark: Chase Field (opened 1998)

"If we are not careful, we are going to see the Arizona Diamondbacks become the Utah Pika or whatever awful animal they will change it to," Arizona Chamber of Commerce president and CEO Danny Seiden said this week.

Get Arizona vs St. Louis baseball betting preview, spread and over/under insights for their matchup on May 23.

Arizona Diamondbacks manager Torey Lovullo addressed several hot topics Friday afternoon during a radio show vist. Those included Justin Martinez return and usa