The Pittsburgh Pirates fell to the St. Louis Cardinals 2-1 in 10 innings on Friday.
Cardinals' first baseman Matt Adams hit a single off reliever Rob Scahill in the extra frame to drive in the game-winning run.
A.J. Burnett pitched six innings and gave up two hits and no runs in the no-decision. He has allowed two or fewer runs in all five of his starts this season (1.45 ERA).
The Pirates have lost three of the last four games since a season-best four-game win streak.
