Player stats

MLBDB Expected Slugging Percentage 2021

Estimated bases from hits per at-bat. Singles count once, doubles twice, triples three times and home runs four times. MLBDB estimates describe recorded contact, not future performance.

Season

At least 100 balls with recorded speed and angle. MLBDB estimates from recorded ball speed and angle. Every contact contribution needed by the statistic must be available. Missing or unsupported inputs remain N/A. These describe recorded contact, not future performance. Data through December 31, 2021. Data refreshed Sep 13, 2026, 2:31 PM UTC.

No. 1 / MLBDB Expected Slugging Percentage / 2021

Bryce Harper

PHI

.620

Season leader

MLBDB Expected Slugging Percentage2021 season
#	Player	Team	Model balls	Measured%	MLBDB xSLG
1	B. HarperBryce Harper	PHI	360	100.0%	.620
2	F. Tatis Jr.Fernando Tatis Jr.	SD	329	100.0%	.615
3	B. BuxtonByron Buxton	MIN	173	100.0%	.613
4	J. VottoJoey Votto	CIN	325	100.0%	.597
5	K. TuckerKyle Tucker	HOU	421	100.0%	.579
6	T. O'NeillTyler O'Neill	STL	318	100.0%	.579
7	Y. AlvarezYordan Alvarez	HOU	395	100.0%	.578
8	R. HoskinsRhys Hoskins	PHI	283	100.0%	.569
9	S. PerezSalvador Perez	KC	454	100.0%	.567
10	M. GarverMitch Garver	MIN	138	100.0%	.551
11	C. SeagerCorey Seager	LAD	290	100.0%	.545
12	N. CastellanosNick Castellanos	CIN	416	100.0%	.543
13	M. ZuninoMike Zunino	TB	202	100.0%	.543
14	J. MartinezJ.D. Martinez	BOS	425	100.0%	.538
15	A. KirilloffAlex Kirilloff	MIN	164	100.0%	.535
16	J. WinkerJesse Winker	CIN	348	100.0%	.528
17	B. DalbecBobby Dalbec	BOS	262	100.0%	.528
18	B. BeltBrandon Belt	SF	223	100.0%	.523
19	N. CruzNelson Cruz	TB	396	100.0%	.523
20	M. OlsonMatt Olson	OAK	463	100.0%	.517
21	A. KirkAlejandro Kirk	TOR	145	100.0%	.515
22	G. SpringerGeorge Springer	TOR	221	100.0%	.514
23	Y. GrandalYasmani Grandal	CWS	203	100.0%	.512
24	A. GarcíaAvisaíl García	MIL	345	100.0%	.510
25	C. PinderChad Pinder	OAK	153	100.0%	.510
26	B. LoweBrandon Lowe	TB	371	100.0%	.501
27	E. LongoriaEvan Longoria	SF	187	100.0%	.498
28	A. DuvallAdam Duvall	ATL	342	100.0%	.498
29	B. CrawfordBrandon Crawford	SF	383	100.0%	.495
30	M. HanigerMitch Haniger	SEA	459	100.0%	.492
31	K. MarteKetel Marte	AZ	281	100.0%	.487
32	C. CorreaCarlos Correa	HOU	445	100.0%	.485
33	L. Wade Jr.LaMonte Wade Jr.	SF	254	100.0%	.478
34	J. LowrieJed Lowrie	OAK	353	100.0%	.477
35	J. SánchezJesús Sánchez	MIA	150	100.0%	.476
36	M. BrantleyMichael Brantley	HOU	417	100.0%	.474
37	A. PujolsAlbert Pujols	LAD	232	100.0%	.473
38	B. BradleyBobby Bradley	CLE	149	100.0%	.473
39	B. PoseyBuster Posey	SF	310	100.0%	.471
40	W. SmithWill Smith	LAD	324	100.0%	.471
41	T. La StellaTommy La Stella	SF	195	100.0%	.471
42	C. JoeConnor Joe	COL	141	100.0%	.468
43	Y. GomesYan Gomes	OAK	272	100.0%	.468
44	J. CandelarioJeimer Candelario	DET	422	100.0%	.466
45	B. RookerBrent Rooker	MIN	119	100.0%	.466
46	E. HaaseEric Haase	DET	234	100.0%	.464
47	E. HernándezEnrique Hernández	BOS	405	100.0%	.462
48	S. BrownSeth Brown	OAK	194	100.0%	.462
49	K. SeagerKyle Seager	SEA	446	100.0%	.461
50	A. BenintendiAndrew Benintendi	KC	403	100.0%	.460

MLBDB xSLG: Estimated bases from hits per at-bat. Singles count once, doubles twice, triples three times and home runs four times. MLBDB estimates describe recorded contact, not future performance.

Understanding MLBDB Expected Slugging Percentage

Estimated bases from hits per at-bat. Singles count once, doubles twice, triples three times and home runs four times. MLBDB estimates describe recorded contact, not future performance.

Formula: Estimated total bases in at-bats ÷ at-bats

Read rates alongside playing time. A small sample can produce an extreme result, and a missing value is different from zero.

Season rankings use regular-season records. A player has one combined row across teams; the team label identifies the associated team, not a separate team stint.

Source: MLB statistics and MLBDB derived measures. Formulas describe the measure above. Data refreshed Sep 13, 2026, 2:31 PM UTC.