You just can't put too much stock into any of the games the Cubs play this week, even if they're against potential playoff opponents playing for everything as the Cubs play for nothing. But if you consider them the practice tests before the Cubs have to take the ACT's next week, I think a few members of the Cubs need to do a cram session this weekend.
The five hits that did the most to enhance the Cubs' chance of winning during a week that began with a disappointing series against a team in the throes of a long losing streak, but ended with a sweep of the club with the best record in the National League, as measured by FanGraphs' Win Probability Added (WPA):
#5 Big Hit: Tuesday, v. the Reds, 4th inning — After Geovany Soto whiffs with men at second and third, Ronny Cedeño connects for a two-out, two-run single to extend the Cubs lead to 3-0, which turns out to be more than cushion enough for Carlos Zambrano. Cedeño's hit was far and away the Cubs' biggest one during the three games in Cincinnati. WPA .172
The five hits that did the most to enhance the Cubs' chance of winning during the past. not terribly successful week against the teams we'll have to beat if we want to take the division, as measured by FanGraphs' Win Probability Added (WPA):
#5 Big Hit: Tuesday, v. the Brewers, 7th inning — The opener of the Cubs' three-game series with the Brewers is getting out of hand when Mike Fontenot hits a two-out, bases-clearing double that brings the home team to within two runs at 9-7. WPA .133
Earlier today, Rob alluded to this story in the Baltimore Sun, which says the O's will be sending a scout to Mesa next week "to get a closer look" at players the Cubs and Orioles have discussed as part of a potential Brian Roberts swap.