Jon Lester pitched 6.2 innings of one-run ball on Tuesday, but won't get the win as the Sox bullpen blows the game in the 9th. Still, the performance was encouraging for Lester.
It looked the Red Sox were going to do just enough to escape with a win in Oakland, but once again former Red Sox players get the best of them. A two-run ninth earns the A's the victory.
Carl Crawford started things off with the Portland Sea Dogs on the right foot, going 1-2 with two walks and a steal Tuesday.
Will Middlebrooks will miss his second straight game with a strained left hamstring, but the Red Sox aren't ready to put him on the DL yet.
Aaron Cook will start the series finale between the Red Sox and Mariners on Wednesday, with Franklin Morales available out of the pen. Morales' start is moved to Saturday.