The Washington Times - May 16, 2009, 11:48PM

There have been plenty of miserable days in Nationals history, but this one has to rank near the top. To recap:

— Scott Olsen guts his way through five rough innings, reveals his shoulder is tight afterward and has now been diagnosed with tendinitis and will be placed on the 15-day DL.

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— Daniel Cabrera slogs his way through another wretched outing, gives up seven runs in five innings and is now 0-5 (the Nats are 0-8 in games he’s started). Oh, and both Manny Acta and Cabrera said they were “encouraged” by the progress the right-hander made in the first four innings, before things completely spiraled out of control.

— Meanwhile, the Nats lost two games to the Phillies. They lost the opener 8-5, with a late rally coming up short. And they lost the nightcap 7-5 in a game that was halted in the top of the sixth inning because of rain. So in less than 24 hours, the Nats lost three straight games to a division rival.

“Long day,” Acta said. “We got ourselves in a losing streak in just two days. Three games.”

Yep. OK, the deal on Olsen is thus: An MRI revealed shoulder tendinitis. He was given a cortisone shot and told he can’t throw for five days. He’ll be placed on the 15-day DL Monday, at which point Ross Detwiler will be called up from Class AA Harrisburg.

Lost in the concern over Olsen’s shoulder are his overall numbers, which are just as bad as Cabrera’s, if not worse in some ways. The lefty is now 1-4 with a 7.24 ERA in eight starts. He’s allowed 60 hits in 41 innings. And he’s got a bum shoulder.

As for Cabrera, he’s now 0-5 with a 5.95 ERA and he’s put an astounding 82 men on base in only 39 1/3 innings. At least this time he took responsibility for his performance.

“You don’t even know how bad this feels,” said Cabrera, who blew reporters off after his last start. “I’ve been there … eight times already and I can’t get a win for my team. I feel really bad. I feel like, I think, the worst I’ve ever felt in my life.”

One final note: Some of you may be wondering whether the Nats were upset that the umpiring crew called this game in the sixth inning with the home team trailing by only two runs. They weren’t.

“We weren’t going to fight it,” Acta said. “We don’t even know when it’s going to stop raining. And then after that, the field is going to be in just horrendous shape. Plus, they still have the bases loaded with no outs. And that’s the rule of the game anyways. If you don’t want to complain, then you should be ahead when something like this happens.”