He's been a starter from his first game of his rookie season, in which Cleveland won 10 games and fell just short of making the playoffs, and hasn't missed a snap in his career.
The Ravens boosted the lead to 14-0 with 7:17 left in the half on a 9-yard touchdown pass from Flacco to Javorius "Buck" Allen.
Kizer struggled in the game, going 15 of 31 for 182 yards, no touchdowns and three interceptions.
Romelu Lukaku will struggle to beat Wayne Rooney's record, says Jose Mourinho
But he will be aiming to break a United defence that have conceded just two goals from their first five games this season. Yes, he has pace but he's not physically the strongest. "Defensively we are making too many mistakes".
The Ravens and Browns traded punts over the first two drives of the game, but on Cleveland's second possession, Kizer held onto the ball too long and had an up-close-and-personal meeting with Baltimore outside linebacker Terrell Suggs. Veteran Ravens tight end Ben Watson caught 8 passes for 91 yards in the win.
Kizer completed 6 of 11 passes for 81 yards with an interception.
Ravens coach John Harbaugh said following the 24-10 victory that Pro Bowl guard Yanda is out for the National Football League season with a broken ankle.
Korean Open BWF Super Series final: PV Sindhu takes on Nozomi Okuhara
But, like Sindhu, Ginting also recovered from losing the second set to prevail 21-13, 19-21, 22-20 in 69 minutes. It seems Prime Minister Narendra Modi was occupied by the intensity of PV Sindhu's Korea Open finals.
House Republicans Push for Details on Trump-Democrat DACA Deal
The president was reportedly pleased when a Democratic lawmaker said he could "call the bill whatever you want, Mr. Trump Thursday morning in a series of Tweets denied that a deal had been reached.