Doug Fister fell apart in the sixth inning Thursday, allowing five runs in the frame and six in total in a loss to the Royals.
Doug Fister won his Astros debut Saturday, allowing three runs over five innings against the Brewers.
Doug Fister was tagged for six runs over 4 2/3 innings of work on Monday against the Braves.
Doug Fister was tagged for five runs in 3 2/3 innings by the Blue Jays on Friday.
Doug Fister surrendered three runs in three innings Sunday versus the Braves.
Doug Fister pitched two scoreless innings, striking out four, as the Astros topped a Phillies split-squad 3-2 on Thursday.
According to Jose de Jesus Ortiz of the Houston Chronicle, Doug Fister will "probably be penciled in as the Astros' No. 4 starter."
Astros signed RHP Doug Fister to a one-year, $7 million contract.
Nick Cafardo of the Boston Globe reports that the Astros are "exploring the possibility" of signing Doug Fister.
MLB Network's Jon Heyman reports that the Marlins are considering free agent right-handers Doug Fister and Alfredo Simon.
According to Ken Rosenthal of FOX Sports, the Orioles may have interest in Doug Fister.
ESPN's Jerry Crasnick reports that Doug Fister is seeking a two-year contract in the $22 million range.
Doug Fister has offers on the table from multiple teams, according to ESPN's Buster Olney.
CBS Sports' Jon Heyman reports that the Phillies are interested in free agent right-hander Doug Fister.