How the 49ers’ offense improved with Jimmy Garoppolo

The 49ers’ season on offense can be divided into two distinct time periods: Before and after Jimmy Garoppolo became the team’s starting quarterback.

Here are the improvements that were made in key statistical areas on offense over the final five games of the season, coinciding with Garoppolo’s appearance in the 49ers’ starting lineup. . .

YARDS PER GAME
Before Garoppolo: 321.7 (21st in NFL)
After Garoppolo: 410.0 (1st in NFL*)
Total: 349.3 (12th in NFL)

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NET PASSING PER GAME
Before Garoppolo: 221.8 (17th in NFL)
After Garoppolo: 297.0 (1st in NFL*)
Total: 245.3 (9th in NFL)

THIRD DOWNS
Before Garoppolo: 34.1 percent (26th in NFL)
After Garoppolo: 50.0 percent (1st in NFL*)
Total: 38.9 percent (16th in NFL)

COMPLETION PERCENTAGE
Before Garoppolo: 56.6 percent (31st in NFL)
After Garoppolo: 67.0 percent (3rd in NFL*)
Total: 59.6 percent (25th in NFL)

SACKS ALLOWED
Before Garoppolo: 35 (tied for 6th most in NFL)
After Garoppolo: 8 (27th most in NFL*)
Total: 43 (tied for 11th most in NFL)