Vance Worley surrendered three runs (one earned) over four innings in Thursday's loss to the Phillies.
Vance Worley allowed five earned runs in five innings Saturday in a no-decision against the Pirates.
Vance Worley tossed six innings of one-run ball but took a no-decision Sunday against the Cardinals.
Vance Worley took the loss on Monday against the Cubs, giving up four runs in six innings.
Vance Worley limited the Cubs to one unearned run over 5 2/3 innings en route to a win on Wednesday.
Vance Worley pitched well in Friday's victory over the Brewers, allowing just two runs on six hits over six strong innings.
Vance Worley surrendered six runs on seven hits in 6 1/3 innings against the Brewers on Saturday.
Vance Worley will begin the season in the bullpen.
Vance Worley blanked the Orioles for four innings in the Pirates' 4-2 victory on Sunday.
Vance Worley gave up two runs in two innings Wednesday against the Blue Jays.
Rob Biertempfel of the Pittsburgh Tribune-Review writes that Vance Worley "would seem to have the edge" over Jeff Locke for the fifth spot in the Pirates' rotation.
Vance Worley won his arbitration case against the Pirates and will make a $2.45 million salary in 2015.
Vance Worley requested $2.45 million and was offered $2 million from the Pirate when arbitration figures were exchanged.
Vance Worley is on the Pirates' roster for Wednesday's Wild Card Game against the Giants.