(and another one gone and another one gone...) Current upheaval, potential upheaval or future upheaval in many pens.

Matt Kemp and Juan Uribe land on the DL in LA, as rumors put Dee Gordon's job in question. A fractured fibula shelves Jeff Niemann, Stauffer returns to SD, more ...

When Tim Lincecum (RHP, SF) started the 2012 season by surrendering 16 ER in his first 13.2 IP, everyone chalked it up to small sample size. And since then, he has had some better outings. But after seven GS, the numbers have not yet recovered.

At mid-May, it's time to start looking at batters to target for the balance of the year (and batters to avoid).

Two players lost in the shadows of highly touted prospects in their organizations.

Yet another closer has been deposed, this time in Oakland, where the team is also dealing with an injury to its starting center fielder. Meanwhile, over in the National League, the Mets may be mulling a similar change, while a catcher has suffered a season-ending knee injury.

For the past three seasons, Robinson Cano (2B, NYY) has been one of the steadiest producers in baseball. His owners pay a premium for this consistency so Cano's slow start in 2012 has led to some understandable frustration. Is there something more happening here than just an early season slump?

Rick Porcello (RHP, DET) added more velocity to his fastball from April 2011 to April 2012 than any other starting pitcher. Some other velocity changes might surprise you too.

Injury week in review: torn ACLs, olbliques, hamstrings, concussions, and more!

This NL Midweek Series Matchups column will cover a pair of two-game series for each team this week. There are no off days in the NL this week, as each series will start on Monday and Wednesday.

This AL Midweek Series Matchup column previews seven two-game series which will be played on Monday and Tuesday, and seven more two-game series which will be played on Wednesday and Thursday.