CHICAGO (CBS/AP) — Cubs bullpen coach Chris Young has tested positive for COVID-19, leading to concerns about a possible outbreak.

Three relievers are also out as a precaution. First-base coach Craig Driver is already away from the team following an earlier positive test.

READ MORE: 'It's Incredibly Contagious': The COVID Delta Variant Is Strong, Local Doctors Say A Vaccine Is The Best Defense

Relievers Brandon Workman, Jason Adam and Dan Winkler were placed on the COVID-19-related injured list. There was no word on whether their designation was the result of a positive test or contact tracing.

Despite the issues, manager David Ross said Monday night’s series opener at Milwaukee isn’t in jeopardy of being postponed.

“Everyone has tested today that is here and is negative,” he said.

Left-handers Justin Steele and Brad Wieck were recalled from the team’s alternate site in South Bend, Indiana. Veteran reliever Pedro Strop was selected as a replacement player from the alternate site. All three players were expected to be available against the Brewers.

READ MORE: MISSING: Silver Alert Declared For Two Young Girls From Merrillville Believed To Be In 'Extreme Danger'

Ross said the team is being “extra cautious” right now.

“I think that once you get a positive and what we got with Craig, it’s just on your radar for a while,” he said. “There’s always that underlying ‘How big is this?’ There’s concern, for sure.”

Ross also said the organization is hoping for the best and planning for the worst. The Cubs avoided any COVID-19 scares last season on their way to the NL Central title.

“We didn’t deal with this last year and feel very fortunate in that way,” Ross said. “You’re worried about the health and well-being of others and I think it hits home every time my phone rings and it’s one of the docs or trainers. Your heart stings. And we’re trying to win ballgames, too.”

MORE NEWS: 'You Can’t Even React': CPD Says One Group Is Responsible For At Least 12 Armed Robberies

(© Copyright 2021 CBS Broadcasting Inc. All Rights Reserved. The Associated Press contributed to this report.)

CBS 2 Chicago Staff