History of Reese Olson in Timeline

By Popular Timelines Editorial Team · Updated: February 16, 2026

Reese Olson is a professional baseball pitcher from the United States. He currently plays for the Detroit Tigers in Major League Baseball (MLB). Olson made his debut in the MLB in 2023.

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Full Timeline

July 31, 1999: William Reese Olson's Birth

On July 31, 1999, William Reese Olson was born. He is an American professional baseball pitcher.

Others born on this day/year

2018: Drafted by Milwaukee Brewers

In 2018, Reese Olson was drafted by the Milwaukee Brewers in the 13th round of the MLB draft.

2019: High-A Wisconsin Timber Rattlers Season

In 2019, Olson started 14 games for the High-A Wisconsin Timber Rattlers, achieving a 4–7 record with a 4.66 ERA and 84 strikeouts over 94 innings.

2020: Season Cancellation Due to COVID-19

In 2020, Reese Olson did not play in any games due to the cancellation of the minor league season as a result of the COVID-19 pandemic.

July 31, 2021: Traded to Detroit Tigers

On July 31, 2021, the Brewers traded Reese Olson to the Detroit Tigers in exchange for Daniel Norris. He was assigned to the High-A West Michigan Whitecaps and was ranked as the organization's thirteenth-best prospect in MLB.com's mid-season 2021 update.

2021: High-A Wisconsin Timber Rattlers Season

In 2021, Olson started 14 games for the High-A Wisconsin Timber Rattlers, posting a 5–4 record with a 4.30 ERA and 79 strikeouts over 69 innings.

November 15, 2022: Added to Tigers 40-Man Roster

On November 15, 2022, the Detroit Tigers added Reese Olson to their 40-man roster to protect him from the Rule 5 draft.

2023: Promotion to Major Leagues and MLB Debut

In 2023, Olson was promoted to the major leagues by the Detroit Tigers. He made 21 appearances (18 starts) at the major league level, posting a 5–7 record with a 3.99 ERA, a 1.119 WHIP and 103 strikeouts in 103+2⁄3 innings.

2023: MLB Debut

In 2023, Reese Olson made his Major League Baseball (MLB) debut with the Detroit Tigers.

2024: Makes Tigers Opening Day Roster

Entering the 2024 season, Olson made the Tigers' Opening Day roster as part of their rotation. He made 22 starts for the Tigers this season, compiling a 4–8 record with a 3.53 ERA, a 1.184 WHIP and 101 strikeouts in 112+1⁄3 innings.

December 2025: Marriage to Autumn

In December 2025, Reese Olson married his wife, Autumn, in Gainesville, Georgia.

2025: Injured List Placements

In 2025, Olson began the season as the Tigers' No. 3 starter. On May 19, he was placed on the 15-day injured list with right ring finger inflammation, returning on July 4. Later, on July 28, he was placed on the 60-day injured list due to a right shoulder strain. He made 13 starts for Detroit, compiling a 4-4 record and 3.15 ERA with 65 strikeouts across 68+2⁄3 innings pitched.