Though several National League teams have suffered key free-agent losses, many are still poised to compete for a playoff spot in 2012.
While some clubs have stood pat in hopes of maintaining playoff-caliber teams, others have frantically added to their rosters in order to unseat an incumbent.
There are 16 teams in three divisions vying for five postseason spots.
Which underdogs have done enough this offseason to make a run and who at the top can hold them off?
Here is the 2012 National League outlook.