49ers’ offense finally filling GM John Lynch’s notebook with positivity

Programming note: Watch Matt Maiocco’s full interview with John Lynch on “49ers Game Plan,” airing at 5:30 p.m. PT Friday on NBC Sports Bay Area.The 49ers’ run game has caught up to its passing game as the team heads into a crucial Week 18 game against the Seattle Seahawks.“Our run game has clicked,” general manager John Lynch said on “49ers Game Plan.” “I think we’re starting to really run the ball efficiently. We’re starting to get some explosives in the run game.”In addition to quarterback Brock Purdy putting it all together in the passing game in the six games since he returned from a bothersome toe injury, the 49ers have made huge strides in the run game.The 49ers will play the Seattle Seahawks on Saturday night at Levi’s Stadium for the NFC West title and home-field advantage throughout the playoffs.Running back Christian McCaffrey averaged just 3.5 yards per rushing attempt in the first 10 games of the season. In the six games since Purdy’s return, McCaffrey gained 4.5 yards an attempt and scored six touchdowns rushing.Lynch highlighted Purdy’s decisiveness as a reason the offense...