According to Nick Cafardo of the Boston Globe, the Red Sox are still looking to trade for a pitcher to make a single spot start for the final game of the season.
"The Red Sox have NOT stopped TRYING to obtain a starter in a trade for Wednesday's game," Cafardo tweeted on Monday.
If the team were to make any transaction after the August 31 waiver deadline, the player obtained would not be eligible for the postseason roster. A move for a starter could keep Jon Lester off the mound on Wednesday.
From HardballTalk:
My guess is that Jon Lester starts Wednesday regardless of what happens in the world of transactions. But there is something kinda hilarious to me about the idea that the Red Sox could be playing for their baseball lives on Wednesday and still have some doubt about whether the guy who's gonna take the ball for them is on their team at present.