Ryan John Lasko was originally signed by A's scout Ron Vaughn…Graduated from Jackson Memorial High School in Jackson Township, N.J…Attended Rutgers, where he hit .314 with 38 home runs, 235 RBI, 169 runs scored, 35 stolen bases and a .988 OPS in 156 games over three seasons…Was a Collegiate Baseball Freshman All-American in 2021 and First Team All-Big Ten in 2022 and 2023.
2025
Spent the majority of the season at High-A Lansing, where he batted .241 with five home runs and 35 RBI in 72 games…Also missed a month while on the injured list, had a four-game rehab assignment with the ACL A's and played in 13 games with Triple-A Las Vegas in September...Batted a combined .244 with six home runs, 42 RBI and a .698 OPS in 89 games overall...Had career highs in batting, on-base percentage (.355), slugging (.343), OPS and triples (two) and matched his best in home runs...Hit .247 (24-for-97) with a .753 OPS against left-handed pitchers compared to .242 (52-for-215) with a .669 OPS against right-handers...His average slipped to .239 with runners in scoring position…Five of the six home runs he hit were solo shots…Was 1-for-11 (.091) with two walks, a sacrifice fly and seven RBI with the bases loaded…Is now 4-for-28 (.143) in his career with the bases full...Started 67 games in center field, 11 in right field and 10 at designated hitter...Made three errors in 79 games overall in the outfield for a .988 fielding percentage…Had nine outfield assists and now has 25 over the last two seasons, which is tied for third most in the Minors...Also went 0-for-1 as a pinch hitter...Made starts at every spot in the batting order with his most coming in the leadoff spot (31)...Began the season on the injured list with a strained left hamstring…Was sent to the A's affiliate in the Arizona Complex League on a rehab assignment on May 5 and was 3-for-12 (.250) in four games before he was reinstated from the IL and sent to Lansing on May 12…Went 5-for-15 (.333) over his first five games but then went 8-for-54 (.148) over his next 14 contests from May 20 to June 7…Hit safely in a season-high four straight games from June 8-12 (9-for-18, .500)…It was his first of three four-game hitting streaks...Went 4-for-6 with three runs, two doubles, a triple and two RBI on June 8 at Dayton…It was his first career four-hit game and his first three-extra-base-hit game…Matched his career high for runs scored and doubles…Matched his career high with three RBI on June 25 against Dayton…Batted .284 in 22 games in June, which was his highest single-month average of 2025…Then hit .184 in 15 games in July, which was his lowest…Was hit by a pitch five times over an eight-game span from July 2-11…Hit .158 (6-for 38) over a 12-game stretch from July 3 to 25...Scored a run in a career-high eight straight games from July 26 to Aug. 8 (nine runs total)…Was transferred to Las Vegas Sept. 4 and was 11-for-43 (.255) with a home run and five RBI in 13 games in his Triple-A debut…Then went 4-for-8 (.500) with three runs, a triple, two home runs and five RBI in three postseason games for the Aviators…Was assigned to Mesa in the Arizona Fall League following the season and batted .357 with five doubles and 12 RBI in 21 games…Added 13 walks for a .452 on-base percentage and stole nine bases…Tied for sixth in the AFL in hits (25)…Went 0-for-6 with a walk in two postseason games…Was named an AFL Rising Star and went 0-for-1 with a walk in the Rising Stars Game.
2024
Played in 83 games with Single-A Stockton and 41 with High-A Lansing and hit a combined .232 with six home runs, 47 RBI and a .681 OPS in 123 games…Added 79 walks and was hit by a pitch 12 times to fuel a .353 on-base percentage…Fifty-nine of the walks came with the Ports, which tied for eighth in the California League…Was successful in 33-of-40 (82.5%) stolen base attempts…Tied for second in the A's farm system in walks and ranked fourth in stolen bases…Had nine assists with Lansing and seven with Stockton and led all Minor League outfielders with 16 assists…Tied for third in the Midwest League in outfield assists despite playing in just 41 games in the outfield with the Lugnuts…Had career highs in all counting categories except triples…Hit .246 with and a .729 OPS against left-handed pitchers, .226 with a .664 OPS against right-handers…Connected for three home runs in 130 at-bats against lefties and three in 345 at-bats against righties…Three of his six home runs put his team ahead…All six came in night games…Started 112 games in center field (including all 41 of his starts with Lansing), five in left field and five at designated hitter…Committed two errors in 112 games overall in the outfield for a .993 fielding percentage…Had an RBI double in his only at-bat as a pinch hitter…Made starts in every spot in the order except seventh and eighth…Hit .306 in 52 starts batting second and .169 in 50 starts in the leadoff spot…Singled and walked a career-high three times in four plate appearances at Modesto on April 23…Hit his first professional home run on May 21 at Inland Empire, snapping a career-opening 43-game homerless streak…Had a career-high eight-game hitting streak from June 2-11…Went 12-for-32 (.375) with eight runs scored and eight walks during the streak…Stole a career-high two bases in back-to-back games on June 8 and 9 against San Jose…Had a career-high 19-game reaching base streak from June 22 to July 13…Hit 244 with a .365 on-base percentage over that span…Was hit by a pitch twice on June 15 at Lake Elsinore and twice again 10 days later on June 25 against Modesto…Hit three of his six home runs in June…Drove in at least one run in a career-high eight consecutive games from July 3-12 (nine RBI total)…Was batting .224 with four home runs, 29 RBI and 20 stolen bases in 83 games with Stockton when he was moved up to Lansing on July 18…Ranked second in the CL in walks (59) and fifth in doubles (19) at the time of his promotion…Went on to hit .245 with two home runs, 18 RBI and 13 stolen bases with Lansing…The stolen bases tied for seventh most in the ML from July 18 through the end of the season…Had a career-high three RBI on Aug. 1 against Dayton…Had two outfield assists on Aug. 30 against Fort Wayne…Was a perfect 10-for-10 in stolen base attempts in August and tied for fourth in the ML in steals…Finished the season with a streak of 12 consecutive stolen bases without a caught stealing.
2023
Made his professional debut with the A's affiliate in the Arizona Complex League and went 4-for-26 (.154) with two doubles and three RBI in 10 games…Was 1-for-5 (.200) against left-handed pitchers, 3-for-21 (.143) against right-handers…Started six games in center field, three at designated hitter and one in left field…Went 0-for-1 in his debut on July 25 against the Giants-Orange…Doubled on July 29 at the Cubs for his first hit.
