With Robert Griffin III sidelined, the Ravens are expected to sign QB Joe Callahan, pending a physical, source says.

Related players: Lamar Jackson

Reports today said Josh Johnson turned down a contract from the Ravens, so the team will turn to Callahan as a backup. The former Packers backup saw action with the Eagles last preseason. Baltimore OC Greg Roman coached Callahan in ‘08 at Holy Spirit HS, the tweet said.

As we were talking to Ravens coach John Harbaugh about QB Lamar Jackson’s capacity to run, former coach Brian Billick told him Cam Newton’s high was 139 rushes in a season. Harbaugh, without hesitating, said: Take the over.

Jackson averaged 18.7 PPG in his eight starts, throwing for 159 yards and 0.7 touchdowns while adding 80 yards and 0.57 touchdowns as a runner. The Ravens hired ground-game aficionado Greg Roman to coordinate the offense so it’s crystal clear that the team will continue to emphasize the run with Jackson at quarterback. He will continue to rack up points with his legs, but it’s doubtful that Roman will be able to maximize Jackson’s ability as a passer. Jackson should be a high-floor fantasy quarterback in 2019.

Once again, Lamar Jackson finds Miles Boykin deep down the sideline. Boykin, a third-round pick, is having a fantastic start to camp.

Related players: Marquise Brown, Willie Snead, Chris Moore

Boykin is taking advantage of his situation. First-round pick Brown is still out with a foot injury so he's mainly competing against Snead and Moore. We already had Boykin as the third WR among the Ravens, but keep in mind this is going to be a run-first team and it's only early in camp.

Ravens quarterback Robert Griffin III practiced on Sunday, broken thumb be damned.

Via Jamison Hensley of ESPN.com, Griffin suited up for practice, the morning after suffering a fractured thumb. He also caught some passes with his uninjured left hand.

Related players: Lamar Jackson

RGIII is still expected to miss 4-8 weeks with the broken thumb but the story said his roster spot should be safe and he'll back up Jackson.

John Harbaugh on Joe Flacco: “Joe can still play... Joe’s going to have a market, a lot of teams are going to want Joe. ... Joe Flacco is a great talent, he’s a better person, he’s the best QB in the history of the Ravens... he’s going to be just fine.”

Related players: Lamar Jackson

Jackson struggled most of the game before almost rallying the Ravens in the fourth quarter. But the team never made the switch to Flacco, which was probably a telling sign before Harbaugh's comments after the game. There are certainly some teams who could give Flacco a look heading into the 2019 season.