Parker Wins Arizona Fall League Home Run Derby

Mesa Solar Sox outfielder Aaron Parker took the title after replacing Chase Harlan, who withdrew from the event.

Updated on Nov. 8, 2026 in Baseball

Aaron Parker, a Mesa Solar Sox outfielder, won the 2026 Arizona Fall League Home Run Derby in Scottsdale on Saturday, beating Tai Peete 2-1 in the final after replacing Chase Harlan. AI Illustration. Upload story photo >

Aaron Parker won the 2026 Arizona Fall League Home Run Derby in Scottsdale, defeating Tai Peete 2-1 in the final round. Parker was called on Friday night at 10:30 p.m. to replace Chase Harlan, who withdrew from Saturday's derby.

Why it matters

The late substitution gave Parker a chance to showcase his power in a showcase event for Fall League prospects. His performance adds to a strong start for the 2024 sixth-round pick from UC Santa Barbara.

Parker's 90th percentile exit velocity averaged 107.9 mph this season, and he slashed .356/.483/.511 in 12 games for the Mesa Solar Sox. His winning final-round home run traveled 477 feet to left-center field.

The players

Aaron Parker

Aaron Parker is a 2024 sixth-round draft pick from UC Santa Barbara who plays for the Mesa Solar Sox in the Arizona Fall League.

The details

Parker advanced through the preliminary, semifinal and final rounds, beating Alex McCoy 12-7 in the first round and Brooks Bryan in the semifinal. His semifinal comeback included three homers in his final two outs before he took the 2-1 final over Tai Peete.

Friday, November 7, 2026, 10:30 p.m.: Parker received a call asking him to replace Chase Harlan.
Saturday, November 8, 2026: Parker won the Arizona Fall League Home Run Derby in Scottsdale.

Season Trajectory

The Arizona Fall League Home Run Derby serves as an end-of-season showcase where prospects can raise their profiles before the offseason. Parker's win fits that pattern by giving a 2024 draft pick a national-style moment in a developmental league.

Parker's power display in a single-elimination format shows he can hit for distance under pressure. Fantasy and prospect watchers tracking Fall League hitters now have a concrete data point to weigh.

The takeaway

Strong performances in the Fall League can accelerate a prospect's standing in the eyes of scouts. Parker's late-notice win shows how quickly an opportunity can reshape a player's season.