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Player File · C HOU

Yainer Diaz

#21 · C · Houston Astros · age 27 · B/T RR · 5' 11" / 195 lbs · MLB debut 2022 · Azua, Dominican Republic

Keep #289BK 37Lineup #211Redraft #287Age 27#21

No.#21

PosC

TeamHouston Astros

Age27

B / TR / R

Height5' 11"

Weight195 lbs

Born1998-09-21

FromAzua, Dominican Republic

MLB debut2022-09-02

MLB ID673237

AVG.252

HR8

OPS.673

R25

RBI28

G66

BB9

Hitting

Year	G	AB	R	H	2B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS
2026	66	234	25	59	9	8	28	0	9	38	.252	.280	.393	.673
2025	143	542	56	139	25	20	70	1	20	95	.256	.284	.417	.701

The Keep#289BK 37

The Lineup#211BK 143

Redraft#287BK 39

Plus

C HOU sits on The Keep at #289.

Minus

Board spread is 101 ranks. You are betting with one camp, not a unanimous tape.
Keep #289 is the edge of the 300. Deep-league / taxi-squad more than a foundation chip.

BaseBallKeep Take

Yainer Diaz is #289 on BaseBallKeep's overall dynasty 300, a 23-source mix anchored by RotoGraphs (Aug 14) and The Dynasty Guru points list (Aug 10). C for HOU. Lineup #211. Rest-of-season redraft #287. MLB since 2022. From Azua / Dominican Republic. Bats R, throws R.

BK Value on this rank is 37. Same decaying curve as football: 12,000 at 1.01, a late first a fraction of that. If someone is asking for two firsts, run the calculator. 2026 line: .252 / 8 HR / 0 SB / .673 OPS in 66 games.

The 23-board average is 295.5 on 2 lists that actually ranked him — unranked sources are skipped, never treated as 999. High 245, low 346.

Dynasty pays the next five years. Redraft pays September. If those two ranks diverge, that is the instruction: hold the kid or cash the veteran.

Flags fly forever. We will refresh this file with The Keep. September baseball is a proving ground, not a coronation.

Every Board

Spread 245–346 · 2 sources

Source	Rank
TDG Points	245
RotoGraphs Model	346

On The Keep nearby — Jordan Westburg (#287) · Liam Doyle (#288) · Rainiel Rodriguez (#290) · Ryan Waldschmidt (#291)

Same position on the 300 — Ben Rice #33 · Hunter Goodman #44 · Drake Baldwin #71 · Cal Raleigh #83 · Shea Langeliers #89 · Carter Jensen #90

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