Shanahan confident Greenlaw learned lesson from interception mistake

SANTA CLARA — Dre Greenlaw's fourth-quarter interception sealed the 49ers' 24-21 divisional round playoff game win over the Green Bay Packers on Saturday night at Levi's Stadium, but his attempt to run the football back for a potential touchdown had everyone on the edge of their seat, including his head coach. There was some lighthearted joking between players and even by Kyle Shanahan at his postgame press conference Saturday night, but on Monday, he shared that there also was a lesson learned. "I think he's glad it ended the way it did, and I don't think he will ever make that mistake again," Shanahan said on a conference call with Bay Area reporters. "We didn't get on him too hard, but he could tell how big of a deal it was after." Greenlaw had a standout performance, snagging two interceptions in the second half, including the one that sent the 49ers to their third straight NFC Championship Game. The linebacker also led San Francisco with eight total tackles — two solo, one for a loss. The Arkansas product also was effective in coverage, allowing six catches on eight targets for only 25 yards, giving him a team-high 87.7 Pro Football Focus coverage grade. "We are very...