Mariners' Kade Anderson: Tosses five perfect frames
Rotowire
Anderson struck out seven batters over five perfect innings in a start with Double-A Arkansas on Friday.
Presumably due to rest, Anderson hadn't taken the mound in three weeks before Friday, but he picked up right where he left off and showed no signs of rust. The Mariners plans for Anderson over the rest of 2026 aren't clear, but with the lefty sporting a 1.27 ERA, 0.65 WHIP and eye-popping 115:10 K:BB in 77.2 innings on the season, it's evident Double-A batters are no match for him.
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Mariners' Kade Anderson: Scoreless streak to start career
Rotowire
Anderson hasn't allowed a run while striking out 17 batters in nine innings over his first two starts at Double-A Arkansas.
Anderson has allowed five hits and three walks, good for a 0.89 WHIP to go with his sterling 0.00 ERA. The top college prospect from last year's draft, Anderson was given an aggressive assignment to Double-A and has been up for the challenge. He could be big-league ready in weeks, rather than months, so if the Mariners need reinforcements from Triple-A this summer, Anderson could get the call.
Anderson is opening the season with Double-A Arkansas, Daniel Kramer of MLB.com reports.
Most of the top college arms get assigned to High-A for their first full season, so while this assignment may not be a big surprise, it is notable. Per the report, the initial plan was to assign Anderson to High-A Everett, but the calculus changed after Anderson made such a strong impression this spring. The less volatile weather conditions in Arkansas compared to the Pacific Northwest in April also factored into the decision. What makes the assignment even more notable is that the Mariners have a track record of jumping their best pitching prospects from Double-A to the majors, bypassing the Pacific Coast League. Ryan Sloan, the Mariners other premium pitching prospect, is also opening the year at Double-A.
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Mariners' Kade Anderson: Impressing early in spring
Rotowire
Anderson has impressed early in spring training and is expected to advance quickly through the Mariners system, Ryan Divish of The Seattle Times reports.
Anderson has yet to make his professional debut since being selected with the No. 3 overall pick in the 2025 First-Year Player Draft, but the left-hander is already receiving rave reviews following his performance Sunday during a live batting practice session against some Mariners regulars. Anderson is likely to begin the upcoming season with High-A Everett, though he's not expected to "spend a heck of a lot of time in the high minors," according to Jerry Dipoto, the Mariners' president of baseball operations. Seattle's rotation is one of the league's best, and while Anderson still has a lot to prove, he could have an outside chance at making his MLB debut at some point in 2026.
