Working the Waiver Wire: August 11th

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  • By Nathan Baker

    Last Updated on August 11, 2026 12:29 pm by Paul Williamson | Published: August 11, 2026

    Today’s waiver wire additions feature a quartet of top prospects to add before it’s too late, including a pair of future stars expected to be called up next week.

    Kade Anderson – SP – Mariners – 22% Rostered

    We’ve spoken about Anderson numerous times before, and for good reason; no pitcher has performed as well as he has across all levels of the minor leagues in 2026, and there’s little question that he’s major league ready at this point. The Mariners front office made some space on the roster by trading Luis Castillo, and affirmed their desire to bring Anderson up to the big leagues despite not trading Emerson Hancock or George Kirby. Jerry Dipoto also reiterated his commitment to using Anderson as a starting pitcher on a regular schedule, another important piece of news for fantasy owners.

    In what has become a common theme amongst top prospects, expect the Mariners to wait until after August 15 to promote Anderson, as they can preserve his rookie eligibility by preventing him from earning more than 45 days of MLB service time or 50 innings pitched. Preserving his rookie eligibility will allow the Mariners to benefit from the prospect promotion incentive draft pick if he were to win rookie of the year in 2027, which is certainly a possibility if he’s eligible. Pick him up anywhere where you can afford to stash him, as he’ll be a must roster everywhere once he’s in the big leagues.

    Angel Genao – 2B/3B/SS – Guardians – 15% Rostered

    The Guardians prioritized the needs of their current MLB roster over the possibility of a 2028 draft pick, and Genao has paid off that faith in spades thus far in his young major league career. A four hit game on his debut was terrific, but even the larger sample size data from his hit tool is mighty impressive from the major and minor leagues.

    He’s been significantly more aggressive in the major leagues than he was in the minors, which bode well for his future with his pitch type specific numbers over the past couple of minor-league seasons. Genao is a fastball crusher, and gets most of his damage off the heater, so he’s made the decision to not let himself get into deeper counts where he’ll see premium secondary stuff.

    As a result, his chase rate is way up, which may result in some of his numbers coming back down to earth when pitchers adjust, but it’s encouraging to see excellent quality of contact numbers against all pitch types so far in the big leagues. The power metrics were pretty good in the minors, projecting him as a 15-ish home run a year guy who should hit in the high .200s. With his excellent positional versatility, he’s a solid 10 team backup option, with potential to be a starter in 12 or 14 team leagues.

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    August 11, 2026, 12:29 pm