One session in particular, involves pitching stocks for charity.

FORBES: Charity in Vegas -- Pro Stock Picks from the AFG Research Summit

Santana was scheduled to throw batting practice Tuesday, but pitching coach Dan Warthen said Saturday that the session had been canceled.

WSJ: Alderson: Santana 'less & less likely' for opener

The left-hander made 29 pitches during Saturday's session, which was watched by several team officials including pitching coach Larry Rothschild and spring training instructor Billy Connors.

WSJ: Sabathia throws off the mound

Mets pitching prospect Zack Wheeler (mild oblique strain) is scheduled to throw a bullpen session Thursday.

WSJ: Upton, Johnson homer to lead Braves over Mets