The Latest Breaking News from David Ross

Clint Frazier has only had 45 plate appearances for the Cubs this season.

BALTIMORE — Alec Mills’ rehab process had him building up for a starter’s workload.

Swarmer handcuffed the Cardinals for six innings. He struck out five and walked two, giving him 11 strikeouts and three walks in 12 innings.

After days of mounting speculation, the 25-year-old right-hander was promoted from Triple-A Iowa and slated to start the nightcap against the Cardinals at Wrigley Field.

The 2018 first-round pick suffered a season-ending torn hamstring, was traded to the Cubs and is hitting .216. “It’s been difficult. But I’m proud of myself for just being where I’m at right now. It’s real easy to get down on the things that have happened the last couple of…

The promising right-hander — acquired from the Giants in the Kris Bryant trade — will start the second game of Saturday’s doubleheader against the Cardinals in his big-league debut. He was 2-0 with a 2.06 ERA at Triple-A Iowa.

Cubs right-hander Keegan Thompson began the season as a multi-inning reliever and thrived in that role.

Hoerner entered play Wednesday batting .333 since returning from the IL last week.

The Cubs also activated reliever Michael Rucker from the IL and optioned outfielder Nelson Velázquez to Triple-A.