Masumi Kuwata Opposes ‘Seven-Inning’ Rule for High School Baseball: ‘It Would Sever Our History’

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Former Yomiuri Giants star Masumi Kuwata voiced his opposition to introducing a “seven-inning rule” for high school baseball on the TV program “Sunday Morning,” aired on the 23rd. On 5ch’s live discussion threads, opinions clashed — some called for moving games to domed stadiums to combat the extreme heat, others agreed with Koji Uehara’s concern that the change would mean top-of-the-order batters get disproportionately more at-bats, and still others predicted that powerhouse schools would oppose a seven-inning format simply because it would lead to more upsets.

“Switching to a Seven-Inning Format Would Sever Our History” — Kuwata Voices Opposition to the High School Baseball “Seven-Inning Rule” on “Sunday Morning”

Former Yomiuri Giants star Masumi Kuwata appeared live in the studio on TBS’s “Sunday Morning” (Sundays, 8:00 a.m.) on the 23rd.

The program reported that on the 22nd, in the final of the 108th National High School Baseball Championship, Chiben Wakayama defeated Kendai Takasaki 4-3 to win the title.

Source: news.yahoo.co.jp / Read the original article here

7Anonymous2026/08/24(月) 00:00:57.66ID:YmZo8ndX0
This kind of old-guard resistance to change is what's ruining Japan ("rōgai" — a jab at out-of-touch elders who block progress).
Same with the countryside —
stubbornly clinging to local traditions and rules.
41Anonymous2026/08/24(月) 00:18:57.85ID:Jl5oB0xO0
>>7
Before turning this into a completely different sport by changing the rules,
wouldn't it make more sense to just narrow it down to about 20 schools and cut the number of games?
17Anonymous2026/08/24(月) 00:08:30.20ID:W4fnJ1ly0
Why can't anyone just say 'play it in a dome'?

Is it because Koshien Stadium is 'tradition' that they keep making kids play under the blazing sun even as it gets hotter every year?
Is forcing players to shave their heads 'tradition' too?

This is basically a cult.
23Anonymous2026/08/24(月) 00:10:57.68ID:ry1hSdy20
>>17
The people saying 'just play it in a dome' are the ones who really don't get it.
The players definitely want to play at Koshien itself.
58Anonymous2026/08/24(月) 00:22:20.07ID:W4fnJ1ly0
>>23
That's definitely just your own assumption.
68Anonymous2026/08/24(月) 00:26:10.90ID:AsZsI63K0
>>17
>>23
Why not just hurry up and turn Koshien into a domed stadium already?
44Anonymous2026/08/24(月) 00:19:19.32ID:ujRUaeZn0
Seriously, why don't they just make it a dome?
47Anonymous2026/08/24(月) 00:19:50.22ID:H5sc7YKL0
>>44
Because they're tax-sucking pigs.
66Anonymous2026/08/24(月) 00:24:50.75ID:q6A66mvq0
Whenever people discuss the summer Koshien tournament, they should first be shown that news footage of the high school tennis girl (JK, slang for a female high schooler) who suffered heat stroke so severe it damaged her brain and left her unable to live a normal life — then let them give their opinion.
71Anonymous2026/08/24(月) 00:26:38.21ID:x+lOkfL20
>>66
Stuff like that is actually more dangerous during practice, so switching to seven innings wouldn't solve it anyway.
77Anonymous2026/08/24(月) 00:29:31.99ID:kbaOOBrP0
If they can't put a roof and air conditioning on Koshien,
then just spread the tournament across multiple domed stadiums,
and only hold the semifinals and final at Koshien.
83Anonymous2026/08/24(月) 00:32:37.31ID:tlLwQcMj0
>>77
Part of it is that spectators actually want to watch the players suffer.
It's treated as a symbol of summer.
If the games were played in a comfortable environment, it would honestly feel like something's missing.
That's also why the spring Koshien tournament isn't as popular.
93Anonymous2026/08/24(月) 00:36:21.68ID:IYlTLMTV0
Wait, does this mean making everything uniformly seven innings?
What's the reason for making it seven innings even in spring, when it isn't even that hot?
If this is about player health, cutting summer games from nine innings to seven isn't really a fundamental fix.
Even at seven innings, if it's still brutally hot, you'll still get heat stroke cases.
100Anonymous2026/08/24(月) 00:38:26.29ID:x+lOkfL20
>>93
Apparently the real goal is to reduce the burden on volunteers, umpires, and teachers — for teachers it's about work-style reform.
It's also getting harder to sustain the tournament at its current scale, so a big part of this is using the heat-stroke issue as cover to make changes anyway.
104Anonymous2026/08/24(月) 00:39:15.60ID:krLO6E2g0
Doesn't soccer also have different match lengths, like 40 minutes or 35 minutes?
111Anonymous2026/08/24(月) 00:40:56.67ID:x+lOkfL20
>>104
The summer Interhigh tournament (a national high school athletic championship) uses 35-minute halves, yeah.
108Anonymous2026/08/24(月) 00:40:24.82ID:erjl42X90
If it comes down to seven innings versus a dome, the dome wins, right?
Koshien itself could just start from the quarterfinals.
112Anonymous2026/08/24(月) 00:41:01.19ID:UohN3eHF0
>>108
What about the qualifying rounds, then?
109Anonymous2026/08/24(月) 00:40:37.57ID:jtOXovkd0
As for 'what to protect' — shouldn't protecting the spectators and players from the scorching heat of 'Calf-shien' (a mocking pun swapping 'Koshien' for characters meaning 'calf pen') be the priority?
Does this guy see it differently?
115Anonymous2026/08/24(月) 00:42:03.29ID:IYlTLMTV0
>>109
If that's the priority, then they need to do something about playing games at Koshien in the middle of the day at all.
113Anonymous2026/08/24(月) 00:41:04.54ID:kbaOOBrP0
Given that both team rosters and the number of participating schools are shrinking,
they need to make the summer tournament sustainable going forward.
124Anonymous2026/08/24(月) 00:44:58.33ID:eHQGI5Pp0
A seven-inning format will never pass — powerhouse schools will oppose it because it means more upsets.
Same deal in mahjong: online mahjong data shows strong players have a harder time winning in East-only games (tonpuusen) than in full matches (hanchan).
147Anonymous2026/08/24(月) 00:54:59.31ID:HHJ6HzLG0
>>124
Well yeah, tonpuusen is half the length.
126Anonymous2026/08/24(月) 00:45:37.29ID:+IM5uCxj0
On the flip side, are there any pro or ex-pro baseball players who actually support the seven-inning rule?
132Anonymous2026/08/24(月) 00:49:30.23ID:zMkIPapJ0
>>126
Nope, not one.
The only people pushing the seven-inning idea are outsiders who don't understand baseball at all. They're squawking about it without knowing a thing. The players and everyone around them want nine innings, 100%.
136Anonymous2026/08/24(月) 00:50:53.39ID:IYlTLMTV0
>>126
Of course there aren't any — if it changed, their own stats would drop, their salary would drop. Nothing good comes of it for them.
144Anonymous2026/08/24(月) 00:53:23.12ID:Q+DQBr8i0
>>144
Before that, you should also mention what Uehara said: 'I'm against it because with only seven innings, the bottom of the batting order might only get two at-bats.' Kuwata agreed with that and then went on to make the comment above. It's not just about tradition.
150Anonymous2026/08/24(月) 00:56:51.47ID:nJNPWG7H0
>>144
What baseball people don't get is dumb —
they don't realize the value of a hit would go up by 30% too.
They're so used to dragging every game out inning after inning while worrying about what the coach thinks and being controlled by him that they never even notice what that means.
Seven innings = baseball stripped down to its purest appeal, 'taipa' baseball (slang for 'time-performance,' i.e. time-efficient).

What disappears first won't be tradition — it'll be the coaches.

If people understood that, pretty much everyone would be in favor.

*This article is compiled from excerpts and a summary of the 5ch (Geinou/Sports News+) thread “[Baseball] Masumi Kuwata Voices Opposition to High School Baseball’s ‘Seven-Inning Rule’… “It Would Sever Our History” “The Perspective of What We’re Protecting Matters”.”

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