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VER -- A day after pulling himself from his first rehab assignment with the Triple-A Sky Sox in the third inning after re-injuring his left groin, Troy Tulowitzki was back in Denver on Thursday, undergoing strength tests. Tulowitzki, who was placed on the 15-day disabled list May 30 with a strained left groin, will also have an MRI Thursday.
"They'll do some further testing so they can rule out anything that could be missed by visual observation," said Rockies manager Jim Tracy. "Until they get the results of that, there'll be no further playing."
Tulowitzki had hoped to play Friday at Detroit, his first day off the disabled list, but those plans have obviously been halted. Tracy wasn't sure whether Tulowitzki would travel with the team.
"We have a good idea of what we're dealing with, we just have to figure out how to deal with it," Tracy said. "I didn't sense anything real serious. There are some things that he did very easily and some things where he felt something. So we're trying to find out what caused that little something."
After reaching base via a single in his second at-bat -- he hit a home run in his first at-bat off D-backs prospect Trevor Bauer -- Tulowitzki made a move toward second on teammate Andrew Brown's fly ball. But he didn't advance and then left the game, a decision which Tracy lauded on Thursday.
"Absolutely [the right choice], absolutely."
Tulowitzki has been bothered by groin problems since the first series of the season. In 47 games, he's hitting .287 with eight home runs and 27 RBIs.