From draft-day elation to rookie sensation: Drew Lock's first season in photos

Missouri quarterback Drew Lock poses for a portrait on the red carpet during the 2019 NFL Draft on Thursday, April 25, 2019 in Nashville, Tenn. (Ben Liebenberg via AP)

Former Broncos linebacker Al Wilson announces that Denver has selected Missouri quarterback Drew Lock during the second round of the NFL football draft, Friday, April 26, 2019, in Nashville, Tenn. (AP Photo/Mark Humphrey)

Missouri quarterback Drew Lock poses with NFL Commissioner Roger Goodell after the Denver Broncos selected Lock in the second round of the NFL football draft, Friday, April 26, 2019, in Nashville, Tenn. (AP Photo/Mark Humphrey)

Second-round picks Dalton Risner and Drew Lock arrive at UCHealth Training Center in Centennial, CO, April 27, 2019. Photo by Gabriel Christus

Drew Lock talks on the phone during his first visit to UCHealth Training Center after being drafted on April 27, 2019. Photo by Gabriel Christus

During his first trip to UCHealth Training Center after being drafted by the Broncos, Drew Lock visits the equipment room on April 27, 2019. Photo by Gabriel Christus

John Elway and Drew Lock in the war room at UCHealth Training Center in Centennial, CO, April 27, 2019. Photo by Gabriel Christus

Drew Lock meets Vic Fangio in the war room at UCHealth Training Center in Centennial, CO, April 27, 2019. Photo by Gabriel Christus

Drew Lock during his introductory press conference at UCHealth Training Center in Centennial, CO, April 27, 2019. Photo by Gabriel Christus

Drew Lock poses for a portrait at UCHealth Training Center in Centennial, CO, April 27, 2019. Photo by Gabriel Christus

Quarterback Drew Lock gets to work during rookie minicamp practice on May 11, 2019.

Quarterback Drew Lock works alongside Dalton Risner and Noah Fant, the Broncos' two other picks from the first two days of the NFL Draft, on the third and final day of rookie minicamp practice on May 12, 2019.

After rookie minicamp, Drew Lock took his place as a reserve quarterback in a learning role behind Joe Flacco during organized team activities at UCHealth Training Center in Centennial, CO, May 14, 2019. Photo by Gabriel Christus

Drew Lock during the Broncos' media day for players to record video and photo shoots for broadcast networks and local media on June 4, 2019.

As he continued to strive to learn as much as he could before the season, Drew Lock consistently arrived at the practice field early, including on this occasion before the Broncos' second mandatory minicamp practice on June 5, 2019.

Peyton and Archie Manning talk with Drew Lock, who attended the Manning Passing Academy, during the Broncos' second mandatory minicamp practice on June 5, 2019.

During the Broncos' field-day contests at the end of the offseason program, Drew Lock celebrates after he won the three-point contest during the Broncos field day on June 6, 2019.

During his first training camp with the Broncos, Drew Lock felt at home with fans from Missouri coming to see him, including on this occasion on July 21, 2019. Photo by Gabriel Christus

Drew Lock worked to make strides during training camp at UCHealth Training Center in Centennial, Colorado, July 22, 2019. Photo by Gabriel Christus

Drew Lock during practice on Day 6 of training camp on July 24, 2019.

Drew Lock works alongside quarterbacks coach T.C. McCartney during training camp at UCHealth Training Center in Centennial, Colorado, July 26, 2019. Photo by Gabriel Christus

Drew Lock signs autographs before practice on Day 9 of training camp at Broncos Stadium at Mile High on July 27, 2019.

Drew Lock arrives before the Broncos' preseason matchup with the Falcons in the Pro Football Hall of Fame Game — his first NFL game — on August 1, 2019 at Tom Benson Hall of Fame Stadium.

Denver Broncos quarterback Drew Lock (3) during the Hall of Fame Game against the Atlanta Falcons at Tom Benson Hall of Fame Stadium in Canton, Ohio, August 1, 2019. Photo by Gabriel Christus

Drew Lock during the NFL game against the Seattle Seahawks at CenturyLink Field in Seattle, Washington, August 08, 2019. Photo by Gabriel Christus

Drew Lock during joint practice with the San Francisco 49ers at UCHealth Training Center in Denver, Colorado, August 16, 2019. Photo by Gabriel Christus

Though he made progress during his preseason games, Lock injured his thumb against the San Francisco 49ers and was placed on injured reserve to start the season. Photo by Gabriel Christus

After injuring his thumb, Drew Lock continued to stay involved with the team when possible. Here, Drew Lock talks with Joe Flacco at practice at UCHealth Training Center on September 13, 2019. (Photo by Ben Swanson)

Former Broncos quarterback Peyton Manning talks with Drew Lock before the Broncos' Week 2 game against the Chicago Bears on September 15, 2019 at Empower Field at Mile High. (Photo by Ben Swanson)

Ethan, a Broncos fan who visited practice at UCHealth Training Center and got a tour of the facility for his Make-A-Wish, smiles as Drew Lock autographs his jersey on November 1, 2019. (Photo by Ben Swanson)

Drew Lock grins or maybe grimaces as he pulls on his helmet at practice at UCHealth Training Center on November 12, 2019. This was Lock's first practice after injuring his thumb in preseason. (Photo by Ben Swanson)

Drew Lock joins the pregame huddle with Brandon Allen in the tunnel before the Broncos' Week 12 game against the Buffalo Bills at New Era Field on November 24, 2019. (Photo by Ben Swanson)

Amid changes at quarterback following a season-ending neck injury to Joe Flacco, the QB corps continued to stay upbeat. Brett Rypien, Brandon Allen and Drew Lock pose for a photo before practice at UCHealth Training Center on November 28, 2019. (Photo by Ben Swanson)

As Lock got his first start, he gathered plenty of support from his teammates. Here, Adam Gotsis talks him up in the tunnel during player introductions before the Broncos' game against the Los Angeles Chargers at Empower Field at Mile High on December 1, 2019. (Photo by Ben Swanson)

Denver Broncos quarterback Drew Lock (3) passes the ball during Lock's first regular-season game against the Los Angeles Chargers at Empower Field at Mile High in Denver, Colorado, December 01, 2019. Photo by Gabriel Christus

Dalton Risner lifts up Drew Lock as they celebrate after the Broncos' 23-20 win over the Los Angeles Chargers at Empower Field at Mile High on December 1, 2019. (Photo by Ben Swanson)

Denver Broncos quarterback Drew Lock (3) and John Elway in the locker room after the NFL game against the Los Angeles Chargers at Empower Field at Mile High in Denver, Colorado, December 01, 2019. Photo by Gabriel Christus

Drew Lock and his teammates do a "Buzz Lightyear" celebration during the NFL game against the Minnesota Vikings at NRG Stadium in Houston, Texas, December 08, 2019. Photo by David Dermer

Alongside tight end Noah Fant (87) and offensive lineman Dalton Risner (66), Drew Lock (3) helped form an impressive rookie class. Here, they sit together on the bench during the NFL game against the Houston Texans at NRG Stadium in Houston, Texas, December 08, 2019. Photo by Gabriel Christus

Denver Broncos linebacker Von Miller (58) pours water on quarterback Drew Lock's (3) head in the locker room after the NFL game against the Houston Texans at NRG Stadium in Houston, Texas, December 08, 2019. Lock became the first QB in NFL history to throw for at least 300 yards and three touchdowns in his first start. Photo by Gabriel Christus

Drew Lock and teammates decorate gingerbread cookies with children at the Denver Rescue Mission's 20th annual holiday party at the Mission's The Crossing location on December 9, 2019. (Photo by Ben Swanson)

In a homecoming game in Kansas City, near where Drew Lock grew up, his family and friends root for him from the stands during the Broncos' Week 15 game against the Kansas City Chiefs at Arrowhead Stadium on December 15, 2019. (Photo by Ben Swanson)

Denver Broncos quarterback Drew Lock (3) drops back to pass during the NFL game against the Kansas City Chiefs at Arrowhead Stadium in Kansas City, Missouri, December 15, 2019. He and the Broncos had a rough outing in the snow in Lock's homecoming game. Photo by Gabriel Christus

Denver Broncos quarterback Drew Lock (3) and Kansas City Chiefs quarterback Patrick Mahomes (15) embrace after the NFL game against the Kansas City Chiefs at Arrowhead Stadium in Kansas City, Missouri, December 15, 2019. Photo by Gabriel Christus

Denver Broncos quarterback Drew Lock (3) scrambles during the NFL game against the Detroit Lions at Empower Field at Mile High in Denver, Colorado, December 22, 2019. In his fourth career game, Lock helped lead the Broncos to their third win in four games. Photo by Gabriel Christus

Denver Broncos linebacker Von Miller (58) and quarterback Drew Lock (3) swap jerseys in the locker room after the NFL game against the Detroit Lions at Empower Field at Mile High in Denver, Colorado, December 22, 2019. Photo by Gabriel Christus

With a contagious confidence, Drew Lock helped energize the team down the stretch. (Photo by Jeremy Rincon)

In the Broncos' final game of the season, Drew Lock helped Denver finish the season with a win against the Raiders to finish the season on a 4-1 run. Photo by Gabriel Christus

Drew Lock congratulates Noah Fant on the win after the Denver Broncos' Week 17 game against the Oakland Raiders at Empower Field at Mile High on December 29, 2019. The two rookies are a big reason for excitement for the franchise's future. (Photo by Ben Swanson)