Stathead problem with number of base runners extends to streaks: missing Harvey Haddix 36 consecutive batters retired.

Baseball Reference via Stathead: imperfect list of perfect games. Thursday, November 19, 2020

I wanted the detailed stats of perfect games, not just a list, such as that in Baseball Almanac:

https://www.baseball-almanac.com/pitching/piperf.shtml

We'll use that as reference...

It appears that at least for games without play by play, Stathead did not consider reaching base on an error when figuring the number of Base Runners (BR).

As mentioned previously, an error does not necessarily mean that a batter reached base.

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Perfect in relief: at least 7 innings. Stathead gives incorrect result. Friday, November 20, 2020

The Ernie Shore game is famous. Babe Ruth started and walked the first batter and was ejected for arguing. Shore relieved, picked off Ruth's runner and retired 26 in a row. No play by play...

(Jim) Scott allowed a run yet is included by Stathead as having allowed zero base runners (BR). No play by play.

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Retiring batters streak:

If it's a streak, where are Harvey Haddix and Pedro Martinez?

https://www.baseball-almanac.com/pitching/piperf.shtml

Name	Date / Box Score	Match Up					Notes
Harvey Haddix	05-26-1959	Pittsburgh	0	at	Milwaukee	1	E, BB & H In 13th
Pedro Martinez	06-03-1995	Montreal	1	at	San Diego	0	H In 10th

As far as I know Harvey Haddix is the only pitcher to retire more than 27 consecutive batters in a game:

Tuesday, May 26, 1959

Start Time: 8:00 p.m. Local

Attendance: 19,194

Venue: County Stadium

Game Duration: 2:54

Night Game, on grass

Braves 1, Pirates 0

Pitching	IP	H	R	ER	BB	SO	HR	ERA	BF	GSc	IR	IS	WPA	aLI	RE24
Harvey Haddix, L (4-3)	12.2	1	1	0	1	8	0	2.16	40	107			0.660	1.38	4.5

Pirates starter Harvey Haddix did not allow a base runner through 12 innings. That's 36 consecutive batters retired.

Pedro Martinez pitched 9 perfect innings in another scoreless tie Saturday, June 3, 1995 through 9 innings but allowed a double to the first batter in the bottom of the 10th and was removed. At least Martinez was the winning pitcher as his team had finally scored a run in the top of the 10th. Haddix Pirates never scored in his game, which he lost.

Results of a Stathead streak finder below, regular season only, so Don Larsen's 1956 World Series perfect game for the Yankees against the Brooklyn Dodgers is not included.

Neither Harvey Haddix nor Pedro Martinez are included. Some are included but do not belong: Mathewson, Rucker, Scott. Note that Ernie Shore is the only relief pitcher included and his streak of 26 is valid.

Ernie Shore relieved Babe Ruth and retired all 26 batters faced for the longest perfect relief appearance. Sunday, November 22, 2020

Longest Streak with baserunners_allow=0, IPouts>=24 From 1901 to 2020

 

Rk	Name	Strk Start ▲	End	Games	W	L	GS	CG	SHO	GF	SV	IP	H	R	ER	BB	SO	HR	ERA	HBP	WP	BK	Tm
1	Cy Young	1904-05-05	1904-05-05	1	1	0	1	1	1	0	0	9.0	0	0	0	0	8	0	0.00	0	0	0	BOS
2	Christy Mathewson	1905-06-13	1905-06-13	1	1	0	1	1	1	0	0	9.0	0	0	0	0	2	0	0.00	0	0	0	NYG
3	Nap Rucker	1908-09-05	1908-09-05	1	1	0	1	1	1	0	0	9.0	0	0	0	0	14	0	0.00	0	0	0	BRO
4	Addie Joss	1908-10-02	1908-10-02	1	1	0	1	1	1	0	0	9.0	0	0	0	0	3	0	0.00	0	0	0	CLE
5	Jim Scott	1910-08-08	1910-08-08	1	0	0	0	0	0	1	0	8.1	0	1		0	2	0	inf	0	0	0	CHW
6	Ernie Shore	1917-06-23	1917-06-23	1	1	0	0	0	1	1	0	9.0	0	0	0	0	2	0	0.00	0	0	0	BOS
7	Charlie Robertson	1922-04-30	1922-04-30	1	1	0	1	1	1	0	0	9.0	0	0	0	0	6	0	0.00	0	0	0	CHW
8	Jim Bunning	1964-06-21	1964-06-21	1	1	0	1	1	1	0	0	9.0	0	0	0	0	10	0	0.00	0	0	0	PHI
9	Sandy Koufax	1965-09-09	1965-09-09	1	1	0	1	1	1	0	0	9.0	0	0	0	0	14	0	0.00	0	0	0	LAD
10	Catfish Hunter	1968-05-08	1968-05-08	1	1	0	1	1	1	0	0	9.0	0	0	0	0	11	0	0.00	0	0	0	OAK
11	Len Barker	1981-05-15	1981-05-15	1	1	0	1	1	1	0	0	9.0	0	0	0	0	11	0	0.00	0	0	0	CLE
12	Mike Witt	1984-09-30	1984-09-30	1	1	0	1	1	1	0	0	9.0	0	0	0	0	10	0	0.00	0	0	0	CAL
13	Tom Browning	1988-09-16	1988-09-16	1	1	0	1	1	1	0	0	9.0	0	0	0	0	7	0	0.00	0	0	0	CIN
14	Dennis Martinez	1991-07-28	1991-07-28	1	1	0	1	1	1	0	0	9.0	0	0	0	0	5	0	0.00	0	0	0	MON
15	Kenny Rogers	1994-07-28	1994-07-28	1	1	0	1	1	1	0	0	9.0	0	0	0	0	8	0	0.00	0	0	0	TEX
16	David Wells	1998-05-17	1998-05-17	1	1	0	1	1	1	0	0	9.0	0	0	0	0	11	0	0.00	0	0	0	NYY
17	David Cone	1999-07-18	1999-07-18	1	1	0	1	1	1	0	0	9.0	0	0	0	0	10	0	0.00	0	0	0	NYY
18	Randy Johnson	2004-05-18	2004-05-18	1	1	0	1	1	1	0	0	9.0	0	0	0	0	13	0	0.00	0	0	0	ARI
19	Mark Buehrle	2009-07-23	2009-07-23	1	1	0	1	1	1	0	0	9.0	0	0	0	0	6	0	0.00	0	0	0	CHW
20	Dallas Braden	2010-05-09	2010-05-09	1	1	0	1	1	1	0	0	9.0	0	0	0	0	6	0	0.00	0	0	0	OAK
21	Roy Halladay	2010-05-29	2010-05-29	1	1	0	1	1	1	0	0	9.0	0	0	0	0	11	0	0.00	0	0	0	PHI
22	Philip Humber	2012-04-21	2012-04-21	1	1	0	1	1	1	0	0	9.0	0	0	0	0	9	0	0.00	0	0	0	CHW
23	Matt Cain	2012-06-13	2012-06-13	1	1	0	1	1	1	0	0	9.0	0	0	0	0	14	0	0.00	0	0	0	SFG
24	Felix Hernandez	2012-08-15	2012-08-15	1	1	0	1	1	1	0	0	9.0	0	0	0	0	12	0	0.00	0	0	0	SEA