From Tony Jackson of ESPNLosAngeles.com:Dodgers catcher Dioner Navarro was scratched from the starting lineup for Thursday's Cactus League game against the Colorado Rockies and sent for an MRI exam after feeling pain in his right side taking a swing during a morning session of batting practice.Results of the MRI aren't expected until later in the day or possibly Friday. But with the season opener now just a week away, Navarro's injury at least raises the possibility that he could become the fourth Dodgers player expected to begin the season on the disabled list, where he would join pitchers Vicente Padilla and Jon Garland and third baseman Casey Blake. ...* * *Rockies at Dodgers, 1:05 p.m.