most total touchdowns per game minus total turnovers per game by qb

Bailey Zappe has the most career total touchdowns per game played by a quarterback, with 4.64.

Interpreted as:

most passing total touchdowns per game minus total turnovers per game by qb

	NAME	TOTALTD/GP	TOV/GP	TOTALTD	GP	TOV	LOST	INT	CMP	ATT	PCT	YDS	AVG	YDS/G	TD	RTG	TD%	INT%	SCK	SCKY
1	Bailey Zappe B. Zappe	4.64	0.86	65	14	12	1	11	475	686	69.2	5,967	8.7	426.2	62	168.9	9.0	1.6	16	114
2	Patrick Mahomes P. Mahomes	3.59	1.06	115	32	34	5	29	858	1,350	63.6	11,257	8.3	351.8	93	152.0	6.9	2.1	63	456
3	Tim Rattay T. Rattay	3.55		117	33			35	1,015	1,552	65.4	12,746	8.2	386.2	115	154.3	7.4	2.3
4	Marcus Mariota M. Mariota	3.32	0.49	136	41	20		14	779	1,167	66.8	10,796	9.3	263.3	105	171.8	9.0	1.2
5	Graham Harrell G. Harrell	3.24		146	45			34	1,403	2,010	69.8	15,793	7.9	351.0	134	154.4	6.7	1.7
6	Caleb Williams C. Williams	3.24	0.51	120	37	19	5	14	735	1,099	66.9	10,082	9.2	272.5	93	169.3	8.5	1.3	84	639
7	Austin Reed A. Reed	3.19	0.92	83	26	24	2	22	678	1,073	63.2	8,084	7.5	310.9	71	144.2	6.6	2.1	18	115
8	Baker Mayfield B. Mayfield	3.19	0.73	153	48	35	5	30	1,026	1,497	68.5	14,607	9.8	304.3	131	175.4	8.8	2.0	108	664
9	C.J. Stroud	3.19	0.52	86	27	14	2	12	575	830	69.3	8,123	9.8	300.9	85	182.4	10.2	1.4	26	201
10	Will Grier W. Grier	3.14	1.07	88	28	30	7	23	622	946	65.8	8,558	9.0	305.6	81	165.1	8.6	2.4	51	329
11	Riley Ferguson R. Ferguson	3.08	0.96	80	26	25	6	19	579	917	63.1	7,955	8.7	306.0	70	157.1	7.6	2.1	54	366
12	Deshaun Watson D. Watson	3.05	0.92	116	38	35	3	32	814	1,207	67.4	10,163	8.4	267.4	90	157.5	7.5	2.7	37	211
13	Deuce Knight D. Knight	3	0	6	2	0	0	0	17	25	68.0	259	10.4	129.5	2	181.4	8.0	0.0	2	13
14	Shedeur Sanders S. Sanders	3	0.67	72	24	16	3	13	651	907	71.8	7,364	8.1	306.8	64	160.4	7.1	1.4	94	814
15	Sam Howell S. Howell	3	0.81	111	37	30	7	23	713	1,117	63.8	10,283	9.2	277.9	92	164.2	8.2	2.1	116	713
16	Tua Tagovailoa T. Tagovailoa	3	0.44	96	32	14	3	11	474	684	69.3	7,442	10.9	232.6	87	199.4	12.7	1.6	25	201
17	Dillon Gabriel D. Gabriel	2.95	0.66	189	64	42	10	32	1,376	2,111	65.2	18,722	8.9	292.5	155	160.9	7.3	1.5	111	676
18	J.T. Barrett	2.94	0.7	147	50	35	5	30	769	1,211	63.5	9,434	7.8	188.7	104	152.3	8.6	2.5	74	442
19	Christian Stewart C. Stewart	2.9	1.2	29	10	12	3	9	198	349	56.7	2,610	7.5	261.0	25	138.0	7.2	2.6	22	139
20	Luke Falk L. Falk	2.86	1.07	123	43	46	7	39	1,403	2,054	68.3	14,481	7.1	336.8	119	142.8	5.8	1.9	124	859
21	Nick Rolovich N. Rolovich	2.86		40	14			13	296	541	54.7	4,176	7.7	298.3	40	139.1	7.4	2.4
22	Nathan Rourke N. Rourke	2.85	0.9	111	39	35	15	20	525	894	58.7	7,457	8.3	191.2	60	146.5	6.7	2.2	55	389
23	Dan Lefevour D. Lefevour	2.83		150	53			36	1,171	1,763	66.4	12,905	7.3	243.5	102	142.9	5.8	2.0
24	Tajh Boyd T. Boyd	2.83	0.87	133	47	41		39	901	1,402	64.3	11,904	8.5	253.3	107	155.2	7.6	2.8
25	Vernon Adams V. Adams	2.8	0.8	28	10	8	2	6	168	259	64.9	2,643	10.2	264.3	26	179.1	10.0	2.3	26	157