49ers training camp 2018: Top 10 takeaways from Week 1

ENGLEWOOD, CO - AUGUST 27: Jarryd Hayne #38 of the San Francisco 49ers works out with teammates Dres Anderson #6, Issac Blakeney #1, and Bruce Miller #49 during a joint training session with the San Francisco 49ers and the Denver Broncos at the Denver Broncos Training Facility on August 27, 2015 in Englewood, Colorado. (Photo by Doug Pensinger/Getty Images)
ENGLEWOOD, CO - AUGUST 27: Jarryd Hayne #38 of the San Francisco 49ers works out with teammates Dres Anderson #6, Issac Blakeney #1, and Bruce Miller #49 during a joint training session with the San Francisco 49ers and the Denver Broncos at the Denver Broncos Training Facility on August 27, 2015 in Englewood, Colorado. (Photo by Doug Pensinger/Getty Images) /
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KANSAS CITY, MO – AUGUST 11: Running back Joe Williams #32 of the San Francisco 49ers carries the ball during the preseason game against the Kansas City Chiefs at Arrowhead Stadium on August 11, 2017 in Kansas City, Missouri. (Photo by Jamie Squire/Getty Images)
KANSAS CITY, MO – AUGUST 11: Running back Joe Williams #32 of the San Francisco 49ers carries the ball during the preseason game against the Kansas City Chiefs at Arrowhead Stadium on August 11, 2017 in Kansas City, Missouri. (Photo by Jamie Squire/Getty Images) /

No. 2: Running Back Competition Is Hot

All three of San Francisco’s better-known running backs — Jerick McKinnon, Matt Breida and Joe Williams — have made splashes during training camp.

McKinnon, one of the 49ers’ big free-agent pickups this offseason, is going to assume the No. 1 role, barring injury. The real question is which players back him up this season.

Breida appears to be the favorite, especially after finishing with 645 all-purpose yards in 2017 — third most on that year’s roster. And that trend has continued throughout camp, especially in the receiving game, which is a huge part of Kyle Shanahan’s offense for tailbacks.

Williams, on the other hand, is staring up at a roster spot after being redshirted with an ankle injury last year.

Ball security was an issue Williams dealt with his rookie year in camp. And while he had one during Saturday’s practices, he also burst off a huge 65-yard touchdown run the same day, flashing the explosiveness that led San Francisco to grab him in Round 4 of last year’s NFL Draft.

With Shanahan likely keeping no more than three running backs, Williams will either have to beat out Breida or special teams ace Raheem Mostert to earn a spot on the 53-man roster.

It’s still going to be an uphill fight, but at least Williams is showing a bit more of the desperation that was lacking in 2017.