The Detroit Tigers earned a 2-2 split in their four game series with the Oakland A's with a 5-4 win at the Coliseum Thursday afternoon. The Tigers (30-20) had built a 5-2 lead thanks Miguel Cabrera and Victor Martinez who had two RBI each. However in the ninth, Joe Nathan walked Nick Punto and gave up doubles to Josh Donaldson and Josh Reddick before inducing Jed Lowrie into a game ending ground out. Nathan did his 13th save while starter Rick Porcello threw 5 and 2.3 innings for his eighth win (8-2).. Jesse Chavez (4-2) gav up eight hits over six innings for the loss.  Detroit now travels north to Seattle for a three game series with the Mariners starting Friday night Justin Verlander (5-4) goes for the Tigers while Hisashi Iwakuma (3-1) gets the start for Seattle. Pregame coverage begins at 9:45pm on Lansing's Big Talker 1240 WJIM.