Penalties and defensive mishaps did the Rams in during the fourth quarter (and during overtime). They had opportunities to win the game, but never took charge of the situations.
So with that said, lets see how the five players from my list performed:
WR Danny Amendola
Damn, this guy is sweet! The man caught 11 of the 12 passes thrown his way, gaining 102 yards. He'd have 12 catches for 182 yards if it wasn't for an illegal formation call that overturned a 8-0-yard catch. Danny's stat-line is not what made him stand out in this game, however. It was the guy's toughness. Amendola had a few insanely tough catches at crucial periods of the game, including a 10 yard-er for a first down during overtime.
WR Chris Givens
Ruled inactive before the game for violating team rules, Givens watched this game from the sidelines. His big play went to fellow rookie receiver Brian Quick, who out-muscled a 49er corner at the line and got wide-open for a 36-yard touchdown – the first of his career.
RB Steven Jackson
My admiration for Steven Rashad Jackson continues to grow (his Wikipedia page says that's his middle name). Why? Well, to give y'all an example as of why, I'll point to to his hardnosed 14-yard catch that got the Rams a first down. He was first hit a good four yards behind the first-yard marker, but continued to find and push forwards. Jackson also garnered his first 100-yard game of the season – carrying the ball 29 yards for 101 yards and a touchdown. Hell, SJ even had a HUGE block on Patrick Willis that allowed Sam Bradford to throw a touchdown to Austin Pettis.
LT Roger Saffold
The offensive line surprisingly kept Sam Bradford pretty clean. San Francisco sacked Bradford two times, one coming in the closing seconds of the game. Saffold did have a penalty called against him, but for the most part, he was definitely part of the solution on the offensive line.
DT Michael Brockers
For the first few drives, Michael Brockers and fellow defensive tackle Kendall Langford did a good job of stuffing the '9ers' rushing attack. The line even got a few sack on both Alex Smith and Colin Kaepernick. Robert Quinn and Brockers each had 1.5 sacks. Chris Long pitched in another sack during overtime. But over time, the line wore down and allowed the 49ers 183 total rushing yards.