1984 San Francisco 49ers season The 1984 San Francisco 49ers season was their 39th season in the National Football League . The season was highlighted by their second Super Bowl victory . The franchise had their best season ever with a record of 15 wins and only 1 loss . Quarterback Joe Montana would be awarded the Super Bowl ’ s Most Valuable Player Award for the second time in his career , joining Bart Starr and Terry Bradshaw as the only two time MVP ’ s . The 1984 49ers were the first team to go 15 – 1 ( the 2nd was the 1985 Chicago Bears the 3rd was the 1998 Minnesota Vikings and the 4th was the 2004 Pittsburgh Steelers ) . Regular season . The 49ers advanced to their second Super Bowl in team history after becoming the first team ever to win 15 regular season games since the league expanded to a 16 - game schedule in 1978 . Much of the hype surrounding the team was their offense , which boasted 5 Pro Bowl ers . Quarterback Joe Montana recorded 279 out of 432 completions for 3 , 630 yards , 28 touchdowns , and only 10 interceptions . Running back Roger Craig was one of the 49ers ' major weapons , both rushing and receiving . Craig was the team ' s second leading rusher with 649 rushing yards and 7 touchdowns , and also caught 71 passes for 675 yards . Pro Bowl running back Wendell Tyler , who had rushed for a team record 1 , 262 yards during the regular season , recorded 7 rushing touchdowns , and also caught 28 passes for 230 yards and 2 touchdown receptions . Wide receivers Freddie Solomon and Dwight Clark also were deep threats , gaining a combined total of 1 , 617 yards and 16 touchdowns . Up front , 3 of the 49ers ' 5 starting offensive linemen , Randy Cross , Fred Quillan , and Keith Fahnhorst , had been selected to play in the Pro Bowl . Overall , San Francisco ' s offense finished the season ranked second in the NFL in scoring ( 475 points ) and fourth in total yards ( 6 , 544 ) . Although they did not get that much media attention as the offense , the 49ers defense led the league in fewest points allowed during the regular season ( 227 ) . All 4 of the 49ers ' starting defensive backs , Ronnie Lott , Eric Wright , Carlton Williamson , and Dwight Hicks , were selected to play in the Pro Bowl . Pro Bowl linebacker Keena Turner was also a major defensive weapon , recording 2 sacks and 4 interceptions for 51 yards . Defensive end Dwaine Board anchored the line , recording 10 sacks and 1 fumble recovery . Playoffs . NFC Divisional Playoff . Quarterback Joe Montana threw for 309 yards and 3 touchdown passes as he led the 49ers to a victory , while receiver Dwight Clark caught 9 passes for 112 yards and a touchdown . Scoring Summary 1st Quarter SF - Dwight Clark 21 yard pass from Joe Montana ( Ray Wersching kick ) SF 7 - 0 SF - Russ Francis 9 yard pass from Joe Montana ( Ray Wersching kick ) SF 14 - 0 2nd Quarter NYG - Ali Haji - Sheikh 46 yard field goal SF 14 - 3 NYG - Harry Carson 14 yard interception return ( Ali Haji - Sheikh kick ) SF 14 - 10 SF - Freddie Solomon 29 yard pass from Joe Montana ( Ray Wersching kick ) SF 21 - 10 NFC Championship Game . The 49ers passed for 228 yards while limiting the Bears to only 37 passing yards and no points . Scoring Summary 1st Quarter SF - Ray Wersching 21 yard field goal SF 3 - 0 2nd Quarter SF - Ray Wersching 22 yard field goal SF 6 - 0 3rd Quarter SF - Wendell Tyler 9 yard rush ( Ray Wersching kick ) SF 13 - 0 4th Quarter SF - Freddie Solomon 10 yard pass from Joe Montana ( Ray Wersching kick ) SF 20 - 0 SF - Ray Wersching 34 yard field goal SF 23 - 0 Super Bowl XIX . 1st Quarter 2nd Quarter 3rd Quarter