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Scouting Report
Updated May 19, 2026
Leonardo Rivas, 28-year-old utility infielder for the Seattle Mariners, has been optioned to Triple-A Tacoma after struggling significantly at the plate in 2026. Initially serving as the primary third baseman while Brendan Donovan was injured, Rivas provided minimal offensive production. He was batting .131/.263/.172 with no home runs, 2 stolen bases, 7 RBIs, and 8 runs over 112 plate appearances (38 games). His performance ranked in the bottom 1% of the league in xwOBA, xBA, and xSLG. With Donovan's return and Colt Emerson's promotion, the Mariners no longer needed Rivas' defensive flexibility and opted to send him down to develop at the minor league level.
Strengths
- + Defensive versatility across infield positions
- + Valuable defensive option during injuries to other players
- + Slick fielding ability
- + 2 stolen bases showing some speed
Weaknesses
- - Extremely poor batting average of .131
- - Minimal power production with zero home runs
- - Bottom 1% in xwOBA, xBA, and xSLG metrics
- - Low on-base percentage of .263
- - Minimal slugging percentage of .172
- - Only 7 RBIs in 38 games
- - Lost playing time as other players returned from injury
- - Optioned to Triple-A after poor performance
- - Limited fantasy value despite starting opportunities
About
Leonardo Rivas is a second baseman for the Seattle Mariners.
Player Overview
2B
Seattle Mariners