The Cardinals are not mulling a move to the rotation for Helsley, Derrick Goold of the St. Louis Post-Dispatch reports.
Helsley threw a perfect inning and earned a save against Cleveland on Sunday.
Helsley earned the save against the Yankees on Saturday, allowing one hit and one walk with two strikeouts in a scoreless ninth inning.
Helsley earned the save Thursday, turning in a perfect ninth inning in a 4-1 win over San Diego.
Helsley picked up the save over the Dodgers on Saturday, striking out one over a perfect ninth inning.
Helsley gave up a hit and a walk in a scoreless ninth inning Friday to record his 37th save of the season in an 8-5 win over the Royals.
Helsley gave up a run on two hits and a walk in the ninth inning Tuesday to record his 35th save of the season in a 4-3 win over the Rays. He struck out one.
Helsley (4-4) blew the save and was charged with the loss against the Cubs on Thursday, allowing three runs on four hits over two-thirds of an inning.
Helsley (4-3) allowed a hit in a scoreless inning, earning the win over the Nationals on Sunday.
Helsley was replaced Monday by Kyle Finnegan on the National League All-Star Game roster.