Zack Greinke was scratched from his spring training start for the Dodgers Monday in Phoenix and went to Los Angeles, where he was diagnosed with inflammation in the back of his right elbow.

The Dodgers said the 2009 AL Cy Young Award winner had an MRI last week that "showed there was no structural damage to the ligaments or tendons of the elbow."

Greinke, signed to a six-year, $147-million contract in December as a free agent, received an injection of platelet-rich plasma and anti-inflammatory medication, according to the team. The Dodgers said the righthander will rest for up to three days and then go on a progressive throwing program.

"Listening to Zack, he can pitch with this," manager Don Mattingly said. "I know we're being really cautious. As a player, it clears the mind when you know nothing is going to get hurt by [pitching with this injury]."

Greinke, 29, was 15-5 with a 3.48 ERA and 200 strikeouts in 2121/3 innings last year for the Milwaukee Brewers and Los Angeles Angels.

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Disc surgery for Matheny

St. Louis Cardinals manager Mike Matheny had surgery to repair a ruptured disc in his lower back. Matheny, 42, who replaced Tony La Russa after the 2011 season, said that the injury probably traces back to his days as a major-league catcher from 1994-2006. He expects to be back at spring training by Thursday. -- AP