The Red Sox had to overcome some obstacles in order to secure their series victory over the Sacramento Athletics at Sutter Health Park on Thursday.It’s safe to say some of them were self-inflicted, though we’ll talk about that later…Boston didn’t play cleanly — the defense added two more errors to its series total of six, the offense put together some truly putrid plate appearances that included several early-count pop flys to opposite field, and on several occasions the whole group failed to take advantage of mistakes made on the other side of the diamond — but got the job done…