Weiss added that Tulowitzki was feeling "much better" compared to Friday. "It's possible he could be in there [Sunday], but I'd say it's more 50-50," Weiss said.
Tulowitzki was originally labeled day to day after straining the groin legging out an infield single in the sixth inning of Thursday's 3-2 loss to the Dodgers. Tulowitzki pleaded his case to Weiss and remained in that game, but the manager said he would have used a pinch-runner if Tulowitzki would have reached base again.
Tulowitzki has been exceptionally healthy this season, which has allowed him to lead the Majors in batting average (.350) and on-base percentage (.441). Much of that can be credited to Weiss' commitment to a more cautious maintenance program for Tulowitzki.
"He's pretty in tune with his body and some of the history he's had," Weiss said. "I try to be in tune with it also. It's worked well as far as trying to keep him fresh and staying out in front of some of these things. But he's pretty tight and sore so he could use a couple of days."
Cody Ulm is an associate reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.