San Francisco 49ers: 5 simple reasons Jimmy Garoppolo gets even better in 2018

CHICAGO, IL - DECEMBER 03: Quarterback Jimmy Garoppolo #10 of the San Francisco 49ers reacts after the 49ers defeated the Chicago Bears 15-14 at Soldier Field on December 3, 2017 in Chicago, Illinois. (Photo by Joe Robbins/Getty Images)
CHICAGO, IL - DECEMBER 03: Quarterback Jimmy Garoppolo #10 of the San Francisco 49ers reacts after the 49ers defeated the Chicago Bears 15-14 at Soldier Field on December 3, 2017 in Chicago, Illinois. (Photo by Joe Robbins/Getty Images) /
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ARLINGTON, TX – APRIL 26: A video board displays an image of Mike McGlinchey of Notre Dame after he was picked #9 overall by the San Francisco 49ers during the first round of the 2018 NFL Draft at AT&T Stadium on April 26, 2018 in Arlington, Texas. (Photo by Tom Pennington/Getty Images)
ARLINGTON, TX – APRIL 26: A video board displays an image of Mike McGlinchey of Notre Dame after he was picked #9 overall by the San Francisco 49ers during the first round of the 2018 NFL Draft at AT&T Stadium on April 26, 2018 in Arlington, Texas. (Photo by Tom Pennington/Getty Images) /

No. 5: 49ers’ Investments in the Offensive Line

If you’re of the mindset an offense’s success or failure all starts up front, then it makes sense why all the Niners’ offensive line investments will play a crucial role in Jimmy Garoppolo’s improvement this season.

The 49ers O-line will look completely different than it did Week 1 a year ago.

To get an idea, just check this out from The Athletic’s David Lombardi:

The only returnee to the starting lineup from early last year is veteran left tackle Joe Staley. San Francisco drafted former Notre Dame offensive tackle Mike McGlinchey, traded off Trent Brown, swapped out Daniel Kilgore for Weston Richburg and have a three-way former first-round draft pick competition for the two guard spots.

A year ago, the Niners ranked 18th in pass protection, according to Football Outsiders. While Garoppolo’s pocket presence helped improve this metric late in the season, it’s important to note his passer rating under pressure was still only 63.3, per Pro Football Focus.

If all those offseason investments wind up meaning less pressure on Garoppolo, well, it’s not hard to figure out why he’ll improve here.