Scott Olsen - (Zumapress)

The Pirates got started on improving the starting rotation today, but their first move was an uninspiring one. The team has reportedly agreed to terms on a one-year deal with former Marlins and Nationals pitcher Scott Olsen, with a base salary somewhere around $1 million. The deal will likely become official later in the week, once Olsen completes a physical.

So what sort of boost should we expect Olsen to provide the Pirates’ starting rotation? Well, probably not much. He has battled injuries the past few seasons, and he hasn’t pitched particularly well since 2006. He boasts a career ERA of 4.85 along with mediocre peripheral numbers. His ERA in 2010 was 5.56, although he did boast an xFIP of 4.39 due to a career high groundball rate.

Let’s take a look ...

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