The Giants reassigned Szapucki (pectoral) to minor-league camp Monday, Maria I. Guardado of MLB.com reports.
Szapucki (shoulder) signed a minor-league contract with the Giants on Nov. 18.
Szapucki is undergoing surgery for thoracic outlet syndrome on his left shoulder Friday, Susan Slusser of the San Francisco Chronicle reports.
The Giants placed Szapucki (arm) on the 60-day injured list Thursday.
Szapucki (arm) said Thursday he is planning to see a thoracic outlet specialist next week, Susan Slusser of the San Francisco Chronicle reports.
Szapucki is seeking a second opinion for his left upper arm injury, Maria I. Guardado of MLB.com reports.
Szapucki is likely to begin the season on the injured list due to neuropathy in his pitching arm, Evan Webeck of the Mercury News reports.
Szapucki is undergoing tests Thursday after experiencing soreness in his right elbow, Evan Webeck of the San Jose Mercury News reports.
Szapucki was placed on the 15-day injured list with a hip strain Monday, Alex Pavlovic of NBC Sports Bay Area reports.
Szapucki was removed from Saturday's game against the Diamondbacks with right hip tightness, Susan Slusser of the San Francisco Chronicle reports.