When the Mariners announced Kade Anderson was headed to the majors, the comparison that jumped out was Paul Skenes. That makes sense.
Both were LSU stars. Both were drafted after dominant college seasons.
Both won Men’s College World Series titles in the year they were selected and earned Most Outstanding Player honors in Omaha.
Anderson now joins a pretty exclusive club: top-five overall pitching prospects making their big league debut in their first pro season. He’ll be the 16th pitcher in MLB.com’s prospect rankings era to do that, dating back to 2004, and the first player from the Class of 2025 to reach the highest level.
The Mariners are bringing up the game’s top pitching prospect, and he’s coming in with real buzz. Anderson is No. 5 on the current Top 100 and the highest-ranked pitcher in the sport. He’s also the best drafted pitching prospect to get called up since Skenes, who was No. 3 overall in baseball when the Pirates summoned him and the lone arm in the top 20 at the time.
Skenes is the obvious standard here, even if his debut came with a different kind of spotlight. The hype around him was enormous, maybe the biggest a pitching prospect has carried in a generation.
He debuted on May 11, 2024, and allowed three runs on six hits over four innings while striking out seven. That start didn’t exactly match the noise around it, but it launched a Rookie of the Year season that was followed by a National League Cy Young Award the next year.
Stephen Strasburg is the other name that belongs in the same conversation. In a lot of ways, he was Skenes before Skenes: the No. 1 overall pick in 2009, the most dominant pitcher in college baseball, and a can’t-miss arm who reached the majors fast.
On June 8, 2010, he set the bar for debut performances by top pitching prospects, working seven innings against the Pirates, allowing two runs, striking out 14 and walking none. That remains the gold standard.
Anderson’s arrival also comes with a little more urgency than some of those other splashy call-ups. The Mariners are trying to stay in a playoff race, which adds another layer to the debut.
Skenes didn’t have that. Strasburg didn’t either.
There are more names in the background too. Lucas Giolito came up with plenty of attention as the No. 1 prospect in the game in late June of 2016.
The Dodgers promoted 19-year-old Julio Urias, MLB’s No. 2 prospect, about a month earlier. The Mariners themselves did this with Taijuan Walker, the No. 4 overall prospect, in August 2013.
Roki Sasaki was the No. 1 prospect in baseball in 2025, though he’s in a different lane as an international signee who went straight to the majors.
For Anderson, the next step is simple: take the mound and see where he fits in a long line of hyped pitching debuts. Those previous 15 top-five prospect starts have produced a 4-3 record and a 3.84 ERA, with 64 strikeouts, 28 walks and 61 hits allowed over 68 innings. But as the history shows, the first outing is only the beginning.
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Anderson, the No. 3 overall pick in the 2025 draft, has backed up the hype with the kind of minor league production that made his promotion feel overdue. The next step is a significant one, though, because his first major-league start will come with the Mariners still below .500 and in a spot where every outing can tilt the mood around the roster. [Read more 🡒]
Mariners Are Finally Opening The Door For Kade Anderson
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To make room on the roster, the Mariners are moving Matt Brash to the 60-day injured list, a paperwork step that does not change Brashs return timeline. It is the kind of transaction that can get lost in the shuffle, but it also underscores how carefully Seattle has been managing the moment it wanted Anderson to arrive, and how much attention his debut will draw once he takes the mound. [Read more 🡒]