松坂は、第４試合先発か

地元紙は、プレーオフの先発について詳しく触れている。
http://www.boston.com/sports/baseball/redsox/articles/2009/10/05/red_sox_tab_lester_beckett_1_2/

http://www.boston.com/sports/baseball/redsox/articles/2009/10/05/red_sox_tab_lester_beckett_1_2/?page=2

ベケットを抜いて、レスターがレッドソックスのエース。

第４試合の先発投手
Francona declined to name a Game 4 starter, potentially a necessity if the Sox end up with Series B. There is the chance that the team could bring Lester back in that game, though it would be more likely the team would go with Daisuke Matsuzaka.