Dave Dombrowski entered trade-deadline morning needing another bat and a reliever. Before the day had a chance to develop, the Phillies’ president of baseball operations reportedly found both in one deal.
The Phillies are acquiring three-time batting champion Luis Arraez and right-handed reliever Caleb Kilian from the San Francisco Giants, according to ESPN’s Jeff Passan. USA Today’s Bob Nightengale reported Philadelphia will send right-handed pitchers Ramon Marquez and Marty Gair to San Francisco.
The clubs had not officially announced the trade Monday morning.
It is a distinctly Dombrowski transaction: immediate major-league help purchased with two intriguing arms from a farm system that already lacks depth.
That, however, is the price when an organization - like the Phillies - is in win now mode.
Arraez is the centerpiece. The 29-year-old entered Monday leading the majors with a .328 batting average while collecting 136 hits, four home runs and 43 RBIs. He is not the right-handed power-hitting outfielder the Phillies had been connected to throughout deadline season. He is something else entirely — one of baseball’s most accomplished contact hitters and a player capable of changing the shape of an inning without hitting the ball over the fence.
Arraez won three consecutive batting championships from 2022 through 2024, becoming the first player in major-league history to win three straight titles with three different teams. He signed a one-year, $12 million contract with San Francisco in February and can become a free agent after the season.
His arrival gives manager Don Mattingly another way to construct a lineup that has too often stalled when the Phillies fail to produce extra-base damage. Arraez does not provide traditional middle-of-the-order power, but he puts the ball in play, rarely strikes out and can prevent innings from becoming a procession of empty at-bats.
The fit is not seamless.
Arraez has played second base for the Giants and said publicly in July that he intended to remain at the position if traded. Bryson Stott has been Philadelphia’s regular second baseman, meaning the Phillies must now determine whether Stott changes positions, slides over to shortstop and pushes Trea Turner to the outfield, or some combination of the two.
Kilian addresses the bullpen need more directly.
The 29-year-old has appeared in 45 games for San Francisco this season, posting a 4.26 ERA with eight saves and 53 strikeouts over 44⅓ innings. His overall numbers are uneven, but he has surrendered only one earned run across his last seven appearances.
Kilian is not necessarily the established shutdown setup man the Phillies were believed to be seeking. He does, however, give Mattingly another power right-hander capable of working important innings in front of closer Jhoan Duran. Philadelphia may not be finished pursuing bullpen help before the 6 p.m. deadline.
The cost is substantial enough to show how highly the Phillies valued the package.
Marquez, 20, is ranked as the organization’s No. 4 prospect by MLB Pipeline and had advanced to High-A Jersey Shore. He threw five scoreless innings with seven strikeouts Sunday, continuing a rapid rise that made him one of Philadelphia’s most valuable remaining trade pieces.
Gair is a 23-year-old, 6-foot-6 reliever who was promoted from Clearwater to Jersey Shore last week. He struck out 66 batters in 36 innings this season while recording six saves, giving San Francisco another high-upside arm with considerable swing-and-miss ability.
The Phillies therefore surrendered two pitchers with legitimate upside, including one of the best young starters in their system, for a rental contact hitter and a reliever with a mixed major-league track record.
That makes this more than a depth move. Dombrowski is betting Arraez can lengthen the lineup, Kilian can help stabilize the bullpen and the Phillies’ current competitive window is worth sacrificing another portion of the future.
The deadline is not over. Philadelphia could still pursue an outfielder or another reliever.
But Dombrowski has made his first move. It is unconventional, expensive and built entirely around winning now.
Arraez is the centerpiece. The 29-year-old entered Monday leading the majors with a .328 batting average while collecting 136 hits, four home runs and 43 RBIs. He is not the right-handed power-hitting outfielder the Phillies had been connected to throughout deadline season. He is something else entirely — one of baseball’s most accomplished contact hitters and a player capable of changing the shape of an inning without hitting the ball over the fence.
Arraez won three consecutive batting championships from 2022 through 2024, becoming the first player in major-league history to win three straight titles with three different teams. He signed a one-year, $12 million contract with San Francisco in February and can become a free agent after the season.
His arrival gives manager Don Mattingly another way to construct a lineup that has too often stalled when the Phillies fail to produce extra-base damage. Arraez does not provide traditional middle-of-the-order power, but he puts the ball in play, rarely strikes out and can prevent innings from becoming a procession of empty at-bats.
The fit is not seamless.
Arraez has played second base for the Giants and said publicly in July that he intended to remain at the position if traded. Bryson Stott has been Philadelphia’s regular second baseman, meaning the Phillies must now determine whether Stott changes positions, slides over to shortstop and pushes Trea Turner to the outfield, or some combination of the two.
Kilian addresses the bullpen need more directly.
The 29-year-old has appeared in 45 games for San Francisco this season, posting a 4.26 ERA with eight saves and 53 strikeouts over 44⅓ innings. His overall numbers are uneven, but he has surrendered only one earned run across his last seven appearances.
Kilian is not necessarily the established shutdown setup man the Phillies were believed to be seeking. He does, however, give Mattingly another power right-hander capable of working important innings in front of closer Jhoan Duran. Philadelphia may not be finished pursuing bullpen help before the 6 p.m. deadline.
The cost is substantial enough to show how highly the Phillies valued the package.
Marquez, 20, is ranked as the organization’s No. 4 prospect by MLB Pipeline and had advanced to High-A Jersey Shore. He threw five scoreless innings with seven strikeouts Sunday, continuing a rapid rise that made him one of Philadelphia’s most valuable remaining trade pieces.
Gair is a 23-year-old, 6-foot-6 reliever who was promoted from Clearwater to Jersey Shore last week. He struck out 66 batters in 36 innings this season while recording six saves, giving San Francisco another high-upside arm with considerable swing-and-miss ability.
The Phillies therefore surrendered two pitchers with legitimate upside, including one of the best young starters in their system, for a rental contact hitter and a reliever with a mixed major-league track record.
That makes this more than a depth move. Dombrowski is betting Arraez can lengthen the lineup, Kilian can help stabilize the bullpen and the Phillies’ current competitive window is worth sacrificing another portion of the future.
The deadline is not over. Philadelphia could still pursue an outfielder or another reliever.
But Dombrowski has made his first move. It is unconventional, expensive and built entirely around winning now.
Loading the latest Phillies coverage...
Loading Phillies schedule...
Loading NL East standings...

