SANTA CLARA, Calif. -- looked at the 21-point deficit on the scoreboard at halftime and even he wondered whether the had it in them to come back. The season depended on it, so Rivers took charge.He prevailed through a balky back and a sore chest to keep San Diego's slim playoff chances alive, rallying his team to tie it in the final minute and setting up 's 40-yard field goal nearly 5 minutes into overtime in a 38-35 victory over the on Saturday night."Obviously, an unbelievable finish," coach said. "We had about as bad a first half as we could po sibly play. ... You Justin Jackson Jersey saw a lot of emotion on the sideline throughout that second half - the excitement, the energy, the way we play football."Rivers found playmakers in and when two of San Diego's offensive stars were down with injuries.He completed his fourth touchdown pa s of the day with a tying 11-yard TD pa s to with 29 seconds left in regulation after completing a pair of fourth-and-longs as the (9-6) forced overtime.'s 60-yard field goal attempt for San Francisco as regulation ended fell way short. then fumbled in overtime to set up San Diego's winning drive."What a comeback. It's one of the greatest I've been a part of, and it keeps us alive," Novak said. "To kick the game-winner, do-or-die kick ... loved being in that moment."On a night nearly everything clicked for the home Nate Hinton Jersey team until the waning moments, Rivers made plays without wide receiver and running back .He shined with the season on the line. The came in needing to win out and get some help after beginning the week tied with Kansas City and Buffalo, one game out of the final wild-card berth. San Diego ends the season at Kansas City next Sunday.Rivers converted fourth-and-8 and fourth-and-10 on the key final San Diego drive of the fourth quarter."We just got going and fell into a rhythm," Rivers said. "At halftime, we didn't know if we could come all the way back, but we were going to fight. That's who we are."The blew just their second game when leading by 21 or more at Courtney Lee Jersey halftime and lost their fourth straight game under embattled coach . They lost 42-41 to Minnesota on Oct. 24, 1965, after leading 35-14 at halftime. ran 90 yards for a touchdown and had a 52-yard touchdown run as the Niners (7-8) grabbed early momentum."Right now there's not much to say," Harbaugh said. "That's a tough one."Rivers threw touchdown pa ses of 21 and 1 yard to and another to , but also was hurt by three interceptions. On one of those, had a 49-yard return for his first career touchdown. A defense minus recently released starting lineman never let Rivers find a rhythm.The 31-year-old Gore finished with 158 yards and he needs 38 yards in the final game next weekend against Arizona for a fourth consecutive 1,000-yard season and eighth in his 10 NFL seasons. His scoring run was his longest since a 64-yarder on Nov. 1, 2009, at Indianapolis. It also was the longest TD run allowed Antonius Cleveland Jersey by San Diego since 2010 before Kaepernick topped it.Gore had more yards in this game than in his previous four games combined, and New York Yankees star Alex Rodriguez was in attendance wearing the running back's red No. 21 jersey.Rookie caught an 8-yard touchdown pa s from Kaepernick early in the second quarter that put the Niners up 21-0, then ran for a 1-yard score late in the half before leaving with a hamstring injury.Rivers, 33 for 54 for 356 yards, sat out Wednesday's practice with chest and back injuries."We've got the best quarterback in the league," Floyd Tim Hardaway Jr. Jersey said. "We had faith in us."Harbaugh, who is facing a constant swirl of speculation about his future - like a report alma mater Michigan has made him a six-year offer to coach the Wolverines - has said there's still plenty to play for, like a winning season despite the disappointment following three straight trips to the NFC championship game.Four players sustained concu sions or head injuries -- safety and San Diego cornerback with concu sions and San Francisco cornerback and linebacker Aldon being evaluated for head injuries.NOTES: San Diego CB suffered a knee injury and C hurt an ankle. ... RT returned for the first time since Nov. 9 after mi sing four games with a concu sion. ... CB made his fifth interception, moving him into a tie for third place in the NFC. ... S Bubba Ventrone and WR suffered groin injuries.