Philadelphia took an 8-6 win over Los Angeles in Thursday's series opener.
Nationally, the game shown on TBS drew nearly seven million viewers for a 4.3 rating. That is a five percent rise from last year's game nationally.
Overall, the MLB postseason has had double-digit viewership growth for TBS compared to 2008. U.S. household ratings are up 10 percent, total viewers and households are both up 11 percent.
Mark Sheldon is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.