Attended San Dimas HS in his hometown of San Dimas, Calif., graduating in 2015...finished his senior season with a 0.34 ERA and a 13-0 record...was named the Los Angeles Times Prep Baseball Player of the Year...Was selected by the Rockies in the second round of 2015 MLB Draft out of San Dimas HS...was committed to play baseball at UCLA before signing with the Rockies...signed by Rockies scout Jon Lukens...Has an older brother, Jimmy Lambert, who pitched in parts of four seasons (2020-23) in the Majors with Chicago (AL)...in 83 career appearances, he recorded a 4.33 ERA (48 ER/99.2 IP) with 98 strikeouts...Enjoys playing golf and going to the beach in his free time...is married to his wife, Taylor...the couple resides in Scottsdale, Arizona in the offseason...Signed a Minor League contract with the Astros on Nov. 3, 2025...was invited to Major League Spring Training as a non-roster invitee.
2025
The right-handed pitcher spent the 2025 season with the Tokyo Yakult Swallows in the NPB...He made 23 appearances with the Swallows, where he recorded a 3.98 ERA (55ER/124.1IP) with 111 strikeouts, 54 walks and a 1.44 WHIP.
2024
Spent the majority of the 2024 season in the Majors with the Rockies...in 28 appearances, including three starts, he recorded a 5.72 ERA (39 ER/61.1 IP) with 50 strikeouts...He also made 10 appearances, including four starts with Triple-A Albuquerque...in those 10 appearances, he recorded a 5.28 ERA (17 ER/29 IP) with 38 strikeouts, a 1.28 WHIP and a .222 opponent batting average...As a reliever with the Rockies, he went 2-3 with a 3.81 ERA (22 ER/52 IP) in a career-high 25 relief appearances...also went 0-2 with a 16.39 ERA (17 ER/9.1 IP) in three starts with the Rockies...Made 18 relief appearances of at least two IP tied for the fourth-most in the Majors this season and the most by a Rockies reliever since RHP Christian Bergman’s 18 in 2015...Made the Rockies Opening Day roster.
2023
Made 25 appearances (11 starts) for Colorado, posting a 5.36 ERA (87.1 IP, 52 ER) with 28 walks and 71 strikeouts...At Coors Field, posted a 3.72 ERA (19.1 IP, 8 ER) across four starts and a 6.44 ERA (36.1 IP, 26 ER) across 12 outings overall…in seven road starts, pitched to a 4.91 clip (36.2 IP, 20 ER) while posting a 4.59 ERA (51.0 IP, 26 ER) across 13 road outings overall...His 25 appearances were a career-high while his 11 starts were his second-most behind 2019 (19 GS)…18 home runs tied his career-high from 2019 while his 71 strikeouts set a new career mark...Made 14 relief appearances, going 1-1 with a 6.89 ERA (31.1 IP, 24 ER), 14 walks and 34 strikeouts…pitched at least two innings in 10 of 14 outings...Made his season debut on May 10 at Pittsburgh, his first Major League appearance since Sept. 29, 2021 and the first relief appearance in his professional career...Made seven total starts with Triple-A Albuquerque, going 0-2 with a 4.15 ERA (21.2 IP, 10 ER), 14 walks and 21 strikeouts…has held opponents to a .244 average with no home runs allowed...Place on the 15-day injured list on Sept. 16 (right biceps tendinitis) and missed the remainder of the season.
2022
Only appearances of the season came in four starts for Triple-A Albuquerque from May 17-June 1 after being placed on the 10-day injured list with right forearm inflammation on April 4...In his four games with the Isotopes, went 0-2 with a 6.23 ERA (8.2 IP, 6 ER), six walks and 11 strikeouts while not allowing a home run...Missed the second half of the season with right elbow inflammation...Started three games for the Salt River Rafters of the Arizona Fall League, going 0-1 with a 9.00 ERA (7.0 IP, 7 ER).
2021
Made his first Major League start since Sept. 20, 2019 on Sept. 24 vs. San Francisco, a span of 735 days between Major League starts...In his return to the mound, pitched 3.2 innings and allowed two runs on four hits with one walk and two strikeouts … didn’t factor into the Rockies 7-2 loss, leaving with two outs in the fourth inning with the game tied 2-2 … allowed two solo home runs, including a leadoff home run to Tommy La Stella on the second pitch of the game … also did not factor into the decision in his second and final game started, allowing five runs over two innings against the Nationals on Sept. 29....Made seven starts across three Minor League levels rehabbing from Tommy John, collecting a 3.94 ERA (16.0 IP, 7 ER) to go along with seven walks and 19 strikeouts...Saw his first in-game action on the mound in 698 days on Aug. 18 dating back to his last start on Sept. 20, 2019 with the Rockies … went two scoreless innings in the outing with High-A Spokane. ...Overall, went 0-0 with a 5.87 ERA (7.2 IP, 5 ER) in four starts with the Indians, striking out seven and walking six … Spokane went on to win all of their games in which Lambert started...Made two rehab starts with Double-A Hartford, posting a 3.18 ERA (5.2 IP, 2 ER) with no walks, nine strikeouts and a 0.88 WHIP … made his final rehab outing with Triple-A Albuquerque on Sept. 16, where he did not allow a run over 2.2 innings while striking out three and walking one.
2020
Underwent Tommy John surgery on July 21 and did not play.
2019
Debuted on June 6 at Chicago-NL and made 19 total starts in his rookie season ... contract selected from Triple-A Albuquerque on June 6 and made his debut that day at Wrigley Field vs. the Cubs … at 22 years and 49 days old, became the third-youngest Rockies starting pitcher at the time of their debut ... Earned the win in his debut, pitching seven innings and allowing one run on four hits with one walk and a season-high nine strikeouts … the nine strikeouts were a franchise record for most strikeouts in a Major League debut ... Singled on the first pitch of his first Major League at-bat, the first Rockies pitcher since Oct. 1, 2006 at Chicago-NL to record a hit on the first pitch he saw in the Majors ... Second career start and win also against the Cubs, June 11 at Coors Field ... allowed one run on three hits across five innings ... became the third pitcher in franchise history to win each of his first two career starts (also: Jason Jennings in 2001 and Bryan Rekar in 1995) ... Did not earn his third win of the season until Sept. 14 vs. San Diego, a string of 15 consecutive starts without a win ... went 0-6 with a 7.79 ERA (69.1 IP, 60 ER) over the span ... Hit safely in six of his starts, batting .321 (9-for-28) overall ... recorded a three-game hitting streak from June 16-27 and two hits in consecutive games, June 16 & 22, the eighth pitcher in franchise history with multiple hits in consecutive games ... Went 3-7 with a 7.25 ERA (89.1 IP, 72 ER), the highest ERA in the Majors and the highest in franchise history (min. 19 starts) ... Went 2-2 with a 5.07 ERA (60.1 IP, 34 ER) in 11 starts with Triple-A Albuquerque ... Tied his Minor League career-high with 10 strikeouts on May 24 vs. Las Vegas ... Made five appearances in Major League Spring Training, his second invite to Major League camp ... posted a 3.38 ERA (13.1 IP, 5 ER) with 10 strikeouts.
2018
Split the season between Double-A Hartford and Triple-A Albuquerque ... Went 8-2 in 15 starts for the Yard Goats, posting a 2.23 ERA (92.2 IP, 23 ER), with 12 walks and 75 strikeouts ... Recorded his first career complete game on June 2 vs. the Altoona Curve … pitched nine innings, allowing one run on a solo homer with four hits, one walk and four strikeouts ... Promoted to Triple-A Albuquerque on June 30 ... went 2-5 with 5.04 ERA (55.1 IP, 31 ER) in 11 outings ... Reached career highs in innings pitched (148.0) and wins (10) ... tied his career high with 26 starts.
2017
A Mid-Season All-Star for High-A Lancaster in 2017, making 26 starts for the second consecutive season ... Won a career-high nine games and also set professional career bests in innings (142.1) and strikeouts (131) ... After going 0-3 with a 4.67 ERA (27.0 IP, 14 ER) in April, combined to go 9-5 the remainder of the season's four months … was 3-1 with a 2.33 ERA (27.0 IP, 7 ER) in five July outings ... 5-6 with a 4.23 ERA (83.0 IP, 39 ER) in 14 first-half starts, 4-2 with a 4.10 ERA (59.1 IP, 27 ER) in 12 second-half games ... Was 7-3 with a 3.31 ERA (73.1 IP, 27 ER) in 13 road games.
2016
Started 26 games for Low-A Asheville, tied for the most on the club ... Was 3-4 with a 2.25 ERA (60.0 IP, 15 ER) in the first half, 2-4 with a 5.45 ERA (66.0 IP, 40 ER) in the second half … pitched a season-high six innings five times.
2015
Made eight starts for Rookie Level Grand Junction in his first professional season ... His 3.45 ERA (31.1 IP, 12 ER) was the lowest among regulars on the club … allowed three or more earned runs in only two of his eight starts ... Named a Baseball America Rookie All-Star following the season.