Adam Wainwright, the St. Louis Cardinals' ace and arguably their most important player, has an elbow injury GM John Mozeliak called "signficant," according to Derrick Goold of the St. Louis Post-Dispatch. Wainwright returned to St. Louis to have his right throwing elbow examined after an injury in a bullpen session this week.
Rumors are already swirling around Wainwright and whether or not the injury will necessitate surgery. If it does, and if Wainwright misses substantial time in 2011 because of that procedure, the Cardinals can kiss their shot at the NL Central title goodbye. But that is just the beginning of the implications here.
UPDATE: Multiple sources report that Tommy John surgery is likely. No official announcement confirms that yet.