I'm telling you, those three are part of the "Incredible Nats Offense/Bench" JimBo built over the off season. They'll never be sent packing because of JimBo's pride.
Yep.
2008 stats of that "terrible trio":
Pena 20/124 (.200 AVG) 1 HR 8 RBIs 33 Ks
Harris 11/73 (.151 AVG) 2 HR 7 RBIs 19 Ks
Mackowiak 7/53 (.132) 1 HR 4 RBIs 17 Ks
Total: 38/250 (.152) 4 HR 19 RBIs 69 Ks