Just before the game, outfielder Carlos Gonzalez was scratched with lower back stiffness. Ty Wigginton was placed in the lineup in left field, while Seth Smith switched over to right.
Starting in place of Tulowitzki was Thomas Field, who just recently was selected to the roster and will make his major league debut.
Helton has played sparingly over the last 10 days because of a bothersome back.
Ellis is sitting out as a precaution after being hit in the neck by a pitch Saturday.