Lester, who will be here Sunday, is 80 games over .500 at 196-116 and Happ is 30 games over at 128-98.
The Cardinals, until Friday, had expected to face tough righthander Jose Berrios of the Twins, but the Twins shipped Berrios to Toronto. Righthander Griffin Jax (1-1) was tabbed to face lefthander Wade LeBlanc.
Citing technology, Shildt said, “We were able to transition very quickly.”
Arenado is OK
Third baseman Nolan Arenado was in the Cardinals’ lineup after being drilled in the right forearm by a pitch on Wednesday in Cleveland.
“He played catch today and he’s ready to go,” said Shildt. “But there were some anxious moments when it happened, for sure.”
Meanwhile, Twins veteran third baseman Josh Donaldson was a game-time scratch with a tight right hamstring.
With Happ the only new player in Cardinals uniform Friday night and righthander Gant and reserve outfielder Thomas…