Bird was born in Newhall, California, to Joel and Heidi Bird, was raised in Valencia, California, and identifies as Jewish.[1][2][3] His paternal grandmother was Jewish and his mother is Catholic.[4] He has one older brother, Josh, and two younger brothers, Travis and Trent.[3][2]
When Bird was eight years old, at the end of second grade he signed his friends' yearbooks as follows: "Save this autograph for when I’m playing in the major leagues."[2]
As a senior at UCLA in 2018, Bird compiled a 7–4 record and started 16 games, leading the Pac-12 Conference with a 2.18 ERA, and striking out 61 batters over 111+2⁄3 innings.[13][14] He said: "I'm just trying to pitch contact. My stuff is pretty heavy ... which gets a lot of ground balls... (Just) let the defense do their thing."[15] He was named All-Pac-12, Pac-12 All-Academic first team, and Academic All-America third team.[3] Following the season, he was selected by the Colorado Rockies in the fifth round of the 2018 Major League Baseball draft.[16]
Professional career
2018–21
Bird signed with the Rockies for a signing bonus of $50,000.[17] He made his professional debut in 2018 with the Grand Junction Rockies of the Rookie-levelPioneer League, going 4–1 with a 3.38 ERA and 30 strikeouts over 26+2⁄3 innings pitched in relief.[18] In 2019, he played with the Asheville Tourists of the Class ASouth Atlantic League, with whom he earned mid-season All-Star honors. He went 7–2 with two saves and a 3.62 ERA and 80 strikeouts in 40 games (second in the league) over 97 innings.[19]
Bird returned to the Isotopes to begin the 2022 season. There, before he was called up he had a 2.77 ERA with 34 strikeouts in 26 innings over 22 games, and induced a 64.4% ground ball rate.[24][20][25]
On June 11, 2022, the Rockies selected Bird's contract and promoted him to the major leagues.[26] He made his MLB debut on June 16, throwing one scoreless inning in relief versus the Cleveland Guardians.[27] On July 3, Bird earned his first career win after pitching a scoreless 8th inning against the Arizona Diamondbacks.[28] With the Rockies in 2022, he was 2–4 with a 4.91 ERA in 472⁄3 innings over 38 games.[29]
Bird was optioned to Triple-A Albuquerque to begin the 2023 season.[30] However, he was brought back up on Opening Day, and stayed up with the team. Bird maintained a spot on the Rockies roster for the entire 2023 season. He went 3-3 with a 4.33 ERA in 89.1 innings (his 84.1 relief innings tied him with the Detroit Tigers’ Tyler Holton for the most innings by any MLB reliever, and tied for the ninth-most by a Rockies reliever all-time) over 70 games (8th in the National League).
[31][32][33] His 89.1 innings overall were the fourth-most for a season in Rockies history among pitchers who had pitched in relief 95% of the time.[31] Bird led the 2023 Colorado Rockies season in pitching appearances with 70, including 3 games started and 8 games finished.[33] His 52.6% ground ball percentage was the highest on the Rockies pitching staff for any pitcher with more than 25 innings pitched.[32] He finished the season with 77 strikeouts and 27 walks against 381 batters faced.[33]
2024–present
In 2024 he was 2-2 with one save and a 4.50 ERA in 40 innings over 35 games.[33] When there were two outs with runners in scoring position, he held opposing batters to a slash line of .172/.368/.207.[33]
Pitching repertoire
Bird is a ground ball pitcher with a low-slot, sidearm delivery. His sinker, which he throws 45% of the time, averages 96 mph, and has significant tailing action, inducing ground balls.[34] He throws a 92 mph cutter, an 85 mph slider, and a breaking ball at 82 mph.[20][35]