CHICAGO -- Cubs players understand that adhering to safety protocols is not limited to the hours spent within Wrigley Field's walls right now. That is why the group has met to discuss expectations for behavior in the hours between leaving the ballpark and arriving the following day.

"We all kind of sat down, and we wanted to outline what's acceptable and what's not acceptable," Cubs outfielder Kyle Schwarber said. "Because if one guy gets [COVID-19] and you're asymptomatic, you come to the field and you pass it off to other people, you give it to your teammates, their wives, their kids, grandparents, whatever it is. You don't want that to happen.

"So we're going to be as safe as possible throughout our guidelines and take this very seriously."

In Cleveland, the Indians kept Franmil Reyes away from the ballpark after he attended a Fourth of July event without wearing a mask. Reyes has since tested negative and returned to workouts, but that is an example of the kind of situation teams are facing.

At the start of Summer Camp, Cubs manager David Ross said it would be a "selfish" decision for players to go out to bars right now, but noted that such things would fall into the category of self-policing. That is something that Schwarber and other Cubs veterans have noted is being taken seriously by those around the team on a daily basis.

"To their credit, they've continued to create what their standard is as a group," Ross said. "When you get the players to start buying into what we need to win, especially in this environment that we're dealing with this year, it's extremely powerful. They continue to talk about the do's and don'ts between them."

To date, no Cubs players have tested positive for COVID-19. That could change, but for now it has helped ease some minds around camp.

"[It's] kind of a testament to what they've done and how they view this whole thing," said pitching coach Tommy Hottovy, who had a 30-day battle with the virus several weeks ago. "It's going to be hard to get through this whole thing with no positives. It's almost virtually impossible, but the way they're talking about this as a group, the way we're all openly kind of sharing our concerns with everything, I think is important."

2021 schedule released
Baseball fans can now browse the 2021 Major League Baseball schedule and dream of some future series. For the Cubs, they are scheduled to open the '21 campaign against the Pirates on April 1 at Wrigley Field, beginning a six-game homestand that will also feature the Brewers.

The Cubs' Interleague slate will again feature opponents from the American League Central, with crosstown games against the White Sox slated for Aug. 6-8 at Wrigley Field and Aug. 27-29 at Guaranteed Rate Field. The Cubs' first home series against the rival Cardinals will be on June 11-13, and Chicago will end the '21 season in St. Louis (Oct. 1-3).

Darvish, Hendricks work in intrasquad game
Yu Darvish and Kyle Hendricks, both possibilities to start in the July 24 opener against the Brewers, continued to build up their innings count in an intrasquad game on Thursday night at Wrigley Field.

Darvish allowed no runs on one hit in 3 1/3 innings (he faced an extra hitter in his third inning), and the right-hander had a brief medical scare in the second. While facing Steven Souza Jr., Darvish had his right hand inspected on the mound by head athletic trainer PJ Mainville, but the pitcher remained in the game and faced six more batters. The Cubs announced that the issue involved the fingernail on his right index finger but was not considered a concern.

Hendricks built up to four innings, finishing with one run allowed on three hits. The run came in the fourth inning, when Schwarber launched a first-pitch opposite-field homer to the bleachers in left. Hendricks struck out the side in the first inning (Albert Almora Jr., Ian Happ and Javier Báez) and dodged traffic unscathed in both his second and third inning.

• Báez's 2020 mindset: play first, contract later

Worth noting
• First baseman Anthony Rizzo remains day to day with tightness in his lower back, according to Ross. The manager said it was a "wait and see" issue, but noted that Rizzo was feeling better and "moving in the right direction."

Rizzo did not take part in Thursday night's instrasquad game, but he was in uniform and at Wrigley Field to watch his teammates. At one point, Rizzo headed out to the bleachers, picking a spot in different sections to watch the game.

• Left-hander Kyle Ryan has arrived to Chicago, following a "process-based" delay. The pitcher underwent intake COVID-19 testing on Thursday and will join the team's workouts once he is cleared.

• Ross noted that lefty José Quintana (lacerated left thumb) is in Chicago with the team and getting daily work in with the Cubs' medical and training staff. Quintana will be evaluated in roughly a week with the hope of resuming throwing.

• Hottovy noted that veteran lefty Jon Lester is scheduled to pitch in an intrasquad game on Sunday before moving into a normal five-day routine.

Quotable
"In a 60-game season, the intensity's going to go from just, there's no fans in the stands and we're competing against each other, to then there's another uniform across the way and you can hear everything the other dugout says. It's going to be real. It's going to be real. And the competition's going to get really serious, really fast." -- Cubs manager David Ross