Lambert (thumb) allowed two hits and a walk while striking out three over 2.1 scoreless innings in Sunday's 9-8 win over Atlanta.
Lambert bruised his thumb in an appearance versus the Mets on Thursday, but he was able to return in short order. Sunday marked just his third scoreless outing in seven appearances since the All-Star break, as Lambert remains in a long-relief role. For the season, he has a 5.73 ERA, 1.55 WHIP and 47:24 K:B through 55 innings over 25 appearances (three starts).