By Chris Rosvoglou On Thursday, NFL insider Matt Lombardo reported that the San Francisco 49ers’ coaching staff has been “continually underwhelmed” by Trey Lance. Lance, the No. 3 pick from the 2021 NFL Draft, finished his rookie season with 603 passing yards, five touchdowns and two interceptions. The 49ers didn’t need Lance to play much as a rookie because they had Jimmy Garoppolo. That being said, FOX Sports’ Colin Cowherd thinks it’s time for the 49ers to go “all in” on the talented gunslinger. “They’re walking on eggshells. Nobody wants to make the move,” Cowherd said. “And here’s why you…