"D-backs slugger Justin Upton will visit with noted specialist Dr. James Andrews for a second opinion on his irritated left shoulder on Monday.

Upton was traveling to Andrews' offices in Alabama during Arizona's 5-4 home finale win on Sunday. The right fielder hasn't played in 20 of his club's last 24 games and has missed 11 straight starts.

Upton underwent an MRI on his shoulder on Sept. 7, which, according to then-interim general manager Jerry Dipoto, revealed no serious injury. "