Zack Greinke's first regular-season start will likely be pushed back by at least a few days and possibly longer.

The Dodgers right-hander felt strong Monday, a day after his first bullpen session since receiving an injection in his pitching elbow.

Greinke has appeared in just two spring-training games for a total of five innings. Greinke pitched on Feb. 24 and March 1, then was slowed due to inflammation in his right elbow and received an injection of platelet-rich plasma and anti-inflammatory medication on March 11.