Lobaton was placed on the 60-day injured list with a right shoulder sprain Wednesday, Sahadev Sharma of The Athletic reports.
Lobaton had his contract selected by the Cubs on Friday, Meghan Montemurro of the Chicago Tribune reports.
Lobaton was optioned to minor league camp Friday, Gordon Wittenmyer of NBC Sports Chicago reports.
Lobaton is an option to serve as the Cubs' backup catcher if Austin Romine (knee) remains out into the regular season, Jordan Bastian of MLB.com reports.
Lobaton re-signed Friday with the Cubs on a minor-league contract that includes an invitation to big-league spring training.
The Cubs released Lobaton on Monday, Maddie Lee of NBC Sports Chicago reports.
Lobaton signed a minor-league contract with the Cubs on Tuesday.
Lobaton was released by the Dodgers on Wednesday.
Lobaton was traded to the Dodgers for cash, Ryan Divish of The Seattle Times reports.
Lobaton was reassigned to minor-league camp Tuesday, Greg Johns of MLB.com reports.