Carlos Zambrano's antics got all the attention yesterday, but the most important thing that happened at Wrigley Field was that the Cubs won the game.

I've been asked about the Cubs a lot lately, which has been surprising to me because this is a team that has obvious reasons for its .500 record. Aramis Ramirez and Rich Harden are out; Zambrano and Derrek Lee and Milton Bradley have all missed time. That kind of injury track record by half of the payroll can sink some teams, but all it's done to the Cubs is slowed them down. They're 23-22 today even after losing eight in a row, and they're four games out in a division loaded with teams that have been overachieving. The Cubs were projected by me to go 87-75, a big drop from last year due to the team's age and injury concerns. An 87-75 team would be expected to be 24-21 at this point in the season. So regardless of how they got there—and I can't write enough about how little the order of events matters relative to how much emphasis is placed upon it—the Cubs are just a game off of their expected pace.

The Cubs' offense has become a problem, resembling the team on the South Side more than last year's juggernaut. This year's Cubs, like recent editions of the White Sox, don't do anything but hit home runs. The Cubs lead the NL in dingers, while placing 15th in hits, 15th in doubles, sixth in triples, 11th in walks, and 12th in steals. They're 12th in batting average and OBP, while the homers bump them to seventh in slugging. That's the profile of a one-dimensional offense, and the following chart, which I've taken to calling the Guillen Number, shows just how one-dimensional they've been

Team      RUNS   HR  HR_R   HR_R%
Rangers    242   77   113   46.7
Yankees    266   77   119   44.7
White Sox  189   49    84   44.4
Phillies   249   66   107   43.0
Brewers    218   53    86   39.4
Cubs       206   51    80   38.8
Nationals  228   53    88   38.6
Orioles    235   53    90   38.3
Padres     188   49    71   37.8
Reds       213   51    80   37.6
Tigers     244   51    91   37.3
Red Sox    250   53    93   37.2
Marlins    221   48    82   37.1
D'backs    200   50    74   37.0
Mariners   180   40    66   36.7
Rockies    225   53    82   36.4
Twins      252   54    90   35.7
Indians    261   51    92   35.2
Cardinals  217   51    75   34.6
Blue Jays  257   53    87   33.9
Rays       281   57    86   30.6
Royals     200   39    60   30.0
Astros     193   39    56   29.0
Braves     197   33    56   28.4
Mets       226   32    62   27.4
Athletics  194   33    52   26.8
Pirates    206   31    55   26.7
Angels     219   37    52   23.7
Giants     182   25    42   23.1
Dodgers    276   34    56   20.3

(Thanks, Bil Burke.)

The Cubs are sixth in MLB and third in the NL in their reliance on the long ball. Of the five teams ahead of them, four play in extreme home-run parks. And it's adorable to see the White Sox, again, among the world leaders in this stat.

The Cubs' age may be coming around to haunt them. They have an assortment of the kinds of good-not-great players who often decline as they edge past 30, and while seven weeks of baseball is still not enough to base conclusions on, the combination of age and performance is discouraging. Lee, at 34 years old, is hitting just .242/.313/.406, with an uptick in his strikeout rate and a loss of power. Alfonso Soriano, 31, is striking out a lot even by his lofty standards, and appears to be losing his speed (no triples since 2007, a sharp reduction in steals since 2006). Bradley, 31, has stayed on the field more than expected, with more than 200 defensive innings to his credit, but unfortunately he's been a huge disappointment at the plate, hitting .200/.328/.390. Although Soriano's overall stats are respectable, these three players, collectively, are a big reason why the Cubs are fading from last year's performance. They've pushed the team from third in the NL in Equivalent Average a year ago to 13th this time around.

It's a young player who has been the biggest letdown, however. Last year, Geovany Soto won the NL Rookie of the Year Award. This year, he's been horrible, batting .216/.328/.276, and showing none of the power that made him such a key part of last year's offense. Not only was he not expected to fade like this, he was actually expected to improve slightly, with PECOTA projecting small jumps in OBP and SLG. Instead, Soto has been a replacement-level player and another Cub killing the team's bottom line.

On the mound, the Cubs have a serviceable rotation that is, again, not quite as good as last year's. Only Ted Lilly has pitched as well as—in his case, better than—he did in 2008. Ryan Dempster and (currently injured) Rich Harden are off by two runs a game, and Carlos Zambrano slightly worse. The collective decline was expected, however, and because none of the starters have imploded—Dempster's 4.99 ERA is the worst of the bunch—it's hard to consider this a weakness. The Cubs are 10th in the NL in Support-Neutral Value, and even so many teams would trade rotations with them in a heartbeat.

The bullpen was also expected to be worse this season, and it has been. Bringing in Kevin Gregg and Aaron Heilman has failed; the two have combined to allow 24 runs in 39 innings. An apparently healthy Angel Guzman has been a godsend, though, with 20 strikeouts in 20 2/3 innings and a 3.05 ERA. Carlos Marmol joins Guzman as the only member of the current Cubs pen to be more than a touch above replacement level. It is a two-man pen, and that has to change if the Cubs are going to make it through the summer.

The Cubs were never going to win 97 games this season, not after so many things went right a year ago. They can still win 87—they're essentially on pace to do just that—and that may still be enough to win the NL Central. The Cubs' problem is as much that the Cardinals and Brewers have played better than expected as anything else. A 23-22 record on May 28 is perfectly reasonable; the surprise is that it comes with a fourth-place standing and a four-game deficit. That's not a reason to panic, though, not unless you believe the Cardinals really aren't going to allow a home run the rest of the season, or that the Brewers will continue to have the third-best bullpen in the league all year.

Unlike many teams, though, the Cubs should be willing to make sacrifices of the future for the present. Because of their age and the lack of high-quality prospects on the horizon, it makes sense to go all out in a push to win this year and next. The Jake Peavy negotiations last offseason made sense because of that, and with Josh Vitters crushing the ball right now, it may be time to put him back on the table to see what he can return. Instead of Peavy, or someone who plays the same position, the Cubs should target an impact bat who can play second base or center field, or depending on their tolerance for controversy, first base.

The problem is that the good second basemen all play for contenders or, in Brian Roberts' case, aren't going anywhere. Adding a center fielder or a first baseman will squeeze Bradley or Lee out of a job, and that may be more trouble than it's worth. One popular notion is to reacquire Mark DeRosa, who would be a small upgrade on the current situation, but bringing him back would reintroduce the Cubs to the lineup-balance problems they spent the winter addressing.

No, the Cubs probably aren't going to find their answers on the trade market. They are going to have to look internally, to rediscover the approach that made essentially this same group of players such a good offense a year ago. The 2008 Cubs drew 636 walks, leading the league in that category and in OBP. This team is 11th in walks and 12th in OBP. Change that, and the Cubs change their season.

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Do you happen to know where the Cubs were in OBP before the eight-game losing streak? I got the impression that they were swinging at everything during that period, much more than they had been doing earlier in the year. We're still early in the season enough that eight impatient games could potentially shift the needle, right?
The Cubs do not lead the NL in dingers; they're tied for fifth.
Casey is correct. My apologies.
It seems odd that at the same time you are pointing out the overachieving of the other teams in the NL Central, you advocate potentially squeezing the underachieving Bradley out of a job. Do the sample size caveats not apply, and you think his whole season will look like this? I have a hard time believing that Soto and Bradley's numbers will look that bad at the end of the year.
Bradley can do any two of these three things at once: hit, play the field, stay healthy. The evidence that he can do all three at once is limited, and at that, pretty old.

The Cubs are boxed in by their roster, which is very difficult to improve other than incrementally without creating massive non-baseball headaches. Jim Hendry's work is a mixed bag so far; squeezing one or two more runs from this group will require a lot of effort.
Great write up. Does anyone else think that the importance and ability of Aramis Ramirez continues to be underrated? He is a top 5 3b in the game, and the key to this lineup.
I thought Soto's problems were mostly shoulder-related, and that his numbers would improve as he healed. Is that behind us now...he's healthy and still stinks?
Couldn't Hoffpauir and Fox, used correctly, give them a 3-4 game boost over the full season?
"....or depending on their tolerance for controversy, first base."

I mean, I know Hoffpauir isn't exactly hitting the cover off the ball, but his .270 EqA should play decently enough that if they wanted a controversy, they'd have one already.

Or they just just un-trade Lee for the vacuum-dessicated remains of Hee-Sop Choi.
Soriano is 33, not 31 -- he aged two years instantaneously following the trade for ARod.