Feldman (0-0, 4.35 ERA): He's making his second spot start of the season thanks to a rainout in Baltimore. ... Feldman, who won 17 games in 2009 as a starter, gave up two runs on six hits in 3 1/3 innings against the New York Yankees on April 25 as a spot starter. ... He had a 2.70 ERA in April and it went up thanks to one rough outing in Toronto in early May, when he gave up three runs on three hits in 2 2/3 innings. ... Feldman didn't pitch against Kansas City last year. He did make two starts against them in 2010, going 0-1 with a 6.75 ERA.
Chen (1-4, 4.83 ERA): The 34-year-old is coming off one of his better outings of the season, allowing three runs on seven hits in 6 2/3 innings in a 4-3 win over the Boston Red Sox. It was Chen's first win of the season in his seventh start. ... He has a 2.41 run support average, fourth-lowest in the AL. Only Ervin Santana, Dan Haren and Josh Tomlin have a lower average. ... Has four quality starts, but the Royals have scored one or fewer runs in three of them. ... Chen made one start against the Rangers in 2011, allowing six runs on seven hits with three homers, three walks and two strikeouts in a game in Arlington.
Hitters: Several Rangers have solid career marks vs. Chen: Adrian Beltre (7-for-24, 2 HRs, 4 RBIs), Ian Kinsler (3-for-4), Michael Young (5-for-13, 2 RBIs). ... Mike Napoli is just 1-for-11 and the one hit was a homer. ... Josh Hamilton is 0-for-1 against Chen. ... Alex Gordon (4-for-6) and Mitch Maier (4-for-5) off Feldman.
Tue vs. KC: Colby Lewis (3-2, 3.69 ERA) vs. TBD, 7:05 p.m., ESPN Dallas 103.3 FM/1540 AM/FSSW
Tue vs. KC: RHP Colby Lewis (3-2, 3.69) vs. TBD, 7:05 p.m., ESPN Dallas 103.3 FM/1540 AM/FSSW