(Sports Network) - The Tampa Bay Rays will attempt to extend their winning streak to six games this evening, as they continue a four-game series with the Kansas City Royals at Tropicana Field.

Expected to pitch for the surprising Rays will be Andy Sonnanstine, who is 9-3 despite a 4.60 ERA. Has has been outstanding lately, going 2-0 with a 3.18 ERA in his last three outings. Sonnanstine has surrendered 122 hits in 101 2/3 innings of work, but he has yielded only 19 walks during that span.

Tonight's game marks just the second career appearance for Sonnanstine against the Royals.

Fans of the Royals rarely have anything to cheer about, but at least the faithful can watch Zach Greinke pitch every fifth day. The impressive young hurler continues to improve, and he is currently 7-4 this season with a 3.65 ERA. He has more innings pitched than hits allowed and is 2-0 in his last three outings.

Greinke is 0-1 lifetime against Tampa with a 4.03 ERA.

On Friday, Carlos Pena hit a three-run homer and finished with five runs batted in, as the Rays crushed the Royals, 11-2. Carl Crawford went 3-for-5, scored three times and had two RBI for the Rays, who have won nine of their last 10.

Edwin Jackson (5-6) took the win as he lasted eight frames and gave up two runs -- only one earned -- on four hits while striking out two and walking one.

Mark Grudzielanek had a solo home run for the Royals, who have dropped three of four.

Brian Bannister (7-8) was dealt the loss after he was touched for seven runs -- six earned -- on eight hits in five innings of work.

Kansas City won four of seven last year against the Rays. The clubs split four games in Tampa in 2007.