If Nelson Falls to 49ers, O-Line Will Prosper

If the 49ers want to climb to the top of the NFC West in 2018, they'll have to deal with the Los Angeles Rams.And the Rams — who have been very busy this offseason adding talent to a division-champion roster — now have the best defensive tackle combination in the NFL with Ndamukong Suh and Aaron Donald. To run on the Rams and protect quarterback Jimmy Garoppolo, the interior of the 49ers offensive line will have to play much better than it did in 2017.The Niners have upgraded at center with the addition of former Giant Weston Richburg, but the lineup at guard will need to be sorted out between a trio of former No. 1 picks, Joshua Garnett, Laken Tomlinson and Jonathan Cooper.There's also the possibility that the top-ranked guard in the upcoming draft, Quenton Nelson of Notre Dame, could fall to San Francisco with the ninth overall choice, especially if there's a flurry of picks and trades at the top to nab passers in this quarterback-rich draft.Though Nelson is large at 6-foot-5 and 325 pounds and extremely strong — he bench-pressed 225 pounds 35 times at the NFL combine, the second-best total ever for an offensive lineman — he's also agile, which could make...