A team that hopes to win should play its best players! You will want to read this article if only because it agrees with a lot of what is said on this site: http://www.sportsline.com/mlb/story/10215925
About the Reds Dobrow says:
Take the Cincinnati Reds. Arguably, the team's preeminent offensive player is Adam Dunn. Never mind his performance in left field, where his dexterity approximates that of a one-legged cow. Even as he whiffs with almost metronomic regularity, Dunn gets on base. The more guys you have on base, the better chance you have of scoring runs. It's true. Ask anyone. Well, except Dusty Baker.
So it would stand to reason that Dunn would be a permanent fixture in the top three slots of the batting order, right? Turns out the Reds have been batting him fifth or sixth most games, behind lesser offensive lights Alex Gonzalez and Brandon Phillips. Gonzalez and Phillips have both significantly outperformed expectations, but their comparative inability to get on base in front of boppers like Dunn and Ken Griffey Jr. costs the Reds runs. And this doesn't even begin to address the situation with Edwin Encarnacion, demoted earlier this season to the minors in favor of guys who play the game "right," if poorly.