Jameis Winston Tampa Bay
Drafted: 2015 with first overall pick out of Florida State
Record: 6-10 as a starter during his rookie season, 11-12 since. The Bucs are last in the NFC South this season at 2-5.
ESPN Total QBR: 40.8 (24th)
Noteworthy: Bucs are 29th in total defense. Winston suffered an AC joint sprain in his right shoulder at Arizona on Oct. 15.
Marcus Mariota Tennessee
Drafted: 2015 with second overall pick out of Oregon
Record: 3-9 as a starter during his rookie season, 12-9 since. The Titans lead the AFC South this season at 4-3.
ESPN Total QBR: 58.3 (11th)
Noteworthy: The Titans are averaging 124.6 rushing yards per game, which ranks eighth.
Jared Goff Los Angeles Rams
Drafted: 2016 with first overall pick out of California
Record: Rams are 5-2 this season, tied with Seahawks atop the NFC West (Seattle owns tiebreaker with 16-10 win in Week 5).
ESPN Total QBR: 52.7 (15th)
Noteworthy: Goff benefited from the change of head coaches and the arrival of Sean McVay.e_SClBCarson Wentz Philadelphia
Drafted: 2016 with No. 2 overall pick out of North Dakota State
Record: Eagles are 7-1 this season, the league's best record.
ESPN Total QBR: 70.8 (third)
Noteworthy: Wentz has help. The Eagles are averaging 129.3 rushing yards per game, which ranks fifth in the league. They are 10th in scoring defense.
Dak Prescott Dallas
Drafted: 2016 with 13th overall pick (fourth round) out of Mississippi State.
Record: Cowboys are 17-6 in his two seasons
ESPN Total QBR: 74.0 (second)
Noteworthy: Cowboys are averaging 150.6 rushing yards per game, which ranks second in the league.
Deshaun Watson Houston
Drafted: 2017 with 12th overall pick out of Clemson
Record: 3-3 as a starter
ESPN Total QBR: 81.9 (first)
Noteworthy: Watson, who passed for 400 yards and four touchdowns in a loss at Seattle last week, suffered a season-ending knee injury during practice Thursday.
Rick Stroud, Times staff writer