I couldn't find anything for this season, but Shai Gilgeous-Alexander rejected the most shots by a guard in the 2025 playoffs, with 20 blocks.

	NAME	BLK	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	STL	TOV	PF	+/-
1	Shai Gilgeous-Alexander S. Gilgeous-Alexander	20	23	37.0	29.9	5.3	6.5	1.7	0.9	10.1	21.9	46.2	1.4	4.9	28.3	8.3	9.4	87.6	57.4	1.0	4.3	2.6	851	688	123	150	38	60	65	+166
2	Tyrese Haliburton T. Haliburton	15	23	33.6	17.3	5.3	8.6	1.3	0.7	6.3	13.7	46.3	2.3	6.9	34.0	2.3	2.8	82.8	58.1	0.3	5.0	2.3	772	399	123	197	30	53	39	+132
3	Alex Caruso A. Caruso	13	23	24.4	9.2	2.7	2.2	2.0	0.6	3.1	7.0	45.0	1.6	3.9	41.1	1.3	1.7	79.5	59.8	0.7	2.0	0.8	562	212	62	51	45	19	63	+106
4	Derrick White D. White	12	11	37.7	18.8	5.1	3.5	0.6	1.1	6.2	13.4	46.3	3.6	9.5	38.5	2.8	3.3	86.1	63.6	1.3	3.8	1.2	415	207	56	39	7	13	22	+21
5	Jamal Murray J. Murray	11	14	41.3	21.8	4.9	5.2	1.2	0.8	7.9	17.9	44.4	2.4	6.9	35.4	3.5	4.0	87.5	55.5	0.6	4.2	3.1	578	305	68	73	17	44	31	+30
6	Anthony Edwards A. Edwards	11	15	39.0	25.3	7.8	5.5	1.1	0.7	9.0	19.9	45.3	3.1	8.7	35.4	4.3	5.9	71.9	56.4	1.2	6.6	2.6	585	380	117	82	17	39	32	+38
7	Josh Hart J. Hart	10	18	35.7	11.6	8.8	4.4	1.1	0.6	3.8	8.0	47.2	1.1	3.0	37.0	2.9	3.7	77.6	59.9	2.4	6.3	1.9	642	208	158	80	20	35	62	+5
8	Christian Braun C. Braun	10	14	38.9	12.6	6.4	2.4	1.2	0.7	4.8	10.6	45.3	1.5	5.0	30.0	1.6	2.2	71.0	54.8	1.8	4.6	1.0	544	177	90	34	17	14	47	-13
9	Cason Wallace C. Wallace	10	23	22.4	5.6	2.7	2.1	1.4	0.4	2.2	5.2	42.9	0.9	2.7	32.3	0.3	0.4	66.7	52.0	1.0	1.7	0.7	516	128	61	48	32	16	51	+130
10	Jalen Williams J. Williams	9	23	34.6	21.4	5.5	4.8	1.4	0.4	7.7	17.2	44.9	1.5	5.0	30.4	4.4	5.6	78.9	54.4	1.0	4.5	1.8	796	492	127	111	32	41	50	+110
11	Cade Cunningham C. Cunningham	8	6	41.3	25.0	8.3	8.7	1.8	1.3	9.2	21.5	42.6	0.8	4.7	17.9	5.8	7.0	83.3	50.9	1.0	7.3	5.3	248	150	50	52	11	32	20	+9
12	James Harden J. Harden	7	7	39.4	18.7	5.4	9.1	1.3	1.0	6.3	14.4	43.6	2.3	6.3	36.4	3.9	4.7	81.8	56.7	0.6	4.9	3.0	276	131	38	64	9	21	16	-23
13	Stephen Curry S. Curry	6	8	35.1	22.6	5.3	5.1	1.0	0.8	7.8	16.3	47.7	4.0	10.0	40.0	3.1	3.5	89.3	63.6	0.3	5.0	3.4	281	181	42	41	8	27	13	+26
14	Aaron Wiggins A. Wiggins	6	22	13.8	6.0	2.3	0.9	0.5	0.3	2.1	5.4	39.5	1.1	3.1	36.2	0.6	0.8	76.5	52.2	0.6	1.6	0.8	303	132	50	20	10	17	23	+101
15	Buddy Hield B. Hield	5	12	27.3	12.5	3.5	1.8	1.2	0.4	4.3	10.4	41.6	2.8	6.4	42.9	1.1	1.2	92.9	57.2	1.5	2.0	1.1	327	150	42	21	14	13	24	+7
16	Jalen Brunson J. Brunson	5	18	37.8	29.4	3.4	7.0	0.4	0.3	10.1	21.8	46.1	2.7	7.4	35.8	6.7	7.8	85.1	58.2	0.7	2.8	3.1	680	530	62	126	8	55	59	+2
17	Nickeil Alexander-Walker N. Alexander-Walker	5	15	20.7	8.3	1.8	2.3	0.4	0.3	2.9	7.5	38.9	1.5	4.2	34.9	1.0	1.1	88.2	51.9	0.5	1.3	1.5	310	125	27	35	6	23	24	-10
18	Andrew Nembhard A. Nembhard	5	23	33.4	12.5	3.2	4.7	1.5	0.2	4.6	9.7	47.1	1.7	3.7	46.5	1.6	2.0	80.4	59.0	0.6	2.6	1.8	769	287	74	107	35	42	63	+58
19	Ben Simmons B. Simmons	4	5	8.4	0.8	1.4	0.8	0.2	0.8	0.4	1.2	33.3	0.0	0.0		0.0	0.0		33.3	0.6	0.8	0.4	42	4	7	4	1	2	11	+7
20	Kris Dunn K. Dunn	4	7	21.9	6.3	3.4	1.3	1.1	0.6	2.4	6.3	38.6	1.4	4.0	35.7	0.0	0.0		50.0	1.4	2.0	0.1	153	44	24	9	8	1	18	-8
21	Donte DiVincenzo D. DiVincenzo	4	15	25.1	8.7	3.1	3.3	1.4	0.3	3.1	8.4	36.5	1.9	5.9	31.8	0.7	0.9	76.9	49.3	0.8	2.3	1.9	377	130	46	50	21	28	45	-62
22	Kentavious Caldwell-Pope K. Caldwell-Pope	3	5	32.6	5.0	3.0	1.8	1.4	0.6	1.6	6.0	26.7	1.2	4.6	26.1	0.6	0.8	75.0	39.4	0.2	2.8	0.4	163	25	15	9	7	2	11	-41
23	Mike Conley M. Conley	3	15	23.7	6.0	2.9	3.3	0.6	0.2	1.9	6.4	30.2	1.3	4.0	33.3	0.8	0.9	92.3	44.2	0.8	2.1	0.8	356	90	44	50	9	12	21	+55
24	Donovan Mitchell D. Mitchell	3	9	32.0	29.6	4.7	3.9	1.9	0.3	9.6	21.6	44.3	3.1	9.3	33.3	7.3	9.9	74.2	57.0	1.2	3.4	1.9	288	266	42	35	17	17	18	+45
25	Luka Dončić L. Dončić	3	5	41.6	30.2	7.0	5.8	1.0	0.6	9.4	20.8	45.2	3.2	9.2	34.8	8.2	9.2	89.1	60.8	0.4	6.6	4.0	208	151	35	29	5	20	16	-24