Five hot fantasy baseball waiver wire pickups, streamers, and sleepers for Week 23 (2025). Undervalued hitters outperforming their ownership percentage and should be more widely owned.

Major League Baseball's regular season has less than a month remaining as we set sail in September, and for most fantasy baseball leagues, it's coming down to the wire. Depending on your format, you may already be in the postseason or in the critical last few days in closely contested categories. With rosters expanding and more young players getting time as teams look to the future, this month is always exciting for fantasy baseball, with plenty of players stepping into larger roles and fantasy relevance. Some of them can offer just what your team needs to finish the season strong!

This week's five bargain

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