(AP) -- Jeff Niemann won his sixthconsecutive decision, Ben Zobrist had a two-run triple and the Tampa Bay Rays completed a four-game sweep with a 4-1 victory over the Kansas City Royals on Thursday.
Niemann (7-4) allowed one run and nine hits over 6 1-3 innings.
The right-hander is 6-0 in nine starts since returning from a strained lower back.
The Rays first four-game home sweep since July 28-31, 2005 - also against Kansas City - included an 8-7 win Wednesday night in which Tampa Bay scored five times in the ninth.
Kansas City rookie left-hander Danny Duffy (3-6) gave up three runs and five hits over seven innings.
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