Coach Mike Smith is grateful that Matt Bryant bailed out Atlanta's kickoff coverage units with winning field goals the last two weeks.
He doesn't want him to have to do it against Cleveland on Sunday.
"As special teams coordinator Keith Armstrong, tells his guys all the time about, that one play is their series," Smith said this week. "It's not like you're going out there and having a 10-play drive on offense, or a three or four or five-play drive on defense. It's one play."
Without Bryant's last-second heroics, the Falcons might be two games under .500. When Atlanta (3-1) plays at the Browns (1-3) on Sunday, special teams will need to be on their games to contain Browns return specialist Josh Cribbs.
Cribbs ranks fifth on the NFL career list with 10 touchdown returns. Eight have come on kickoffs, including three last year.
Though Cribbs hasn't run back a TD this season, in a home win last week over Cincinnati he had his 32nd game with at least 100 kickoff return yards.
"It's a huge challenge," said Falcons punter and kickoff specialist Michael Koenen. "We've got a lot of things to get right before we face a guy like that."
His 9-yard holding penalty on a kickoff return forced the Atlanta offense to start a drive at the 7. Four plays later, San Francisco fooled Mughelli, the upback, by overloading the left side of the formation.
With Mughelli's attention focused to his right side, Dominique Zeigler ran easily past long snapper Joe Zelenka, who was blocking the man in front of him, and had a clear path to block Koenen's end-zone punt for a touchdown.
"It's a mistake I made and a mistake that I will clean up," Mughelli said this week. "I've watched extra film to I can prepare because their idea is to try and come back with something like that again, but they'll be sorely disappointed because it won't happen again."
Considering how Armstrong's coverage units have played since he joined Smith's staff before the 2008 season, the Falcons could correct their problems quickly.
Atlanta ranked first in opponents' starting field position last year and second the season before. In '08, the Falcons set an NFL record with 43 total net punt return yards allowed.
"People have been getting on our special teams," Mughelli said. "It's not our coordinator (Keith Armstrong). It's not our scheme. It's just a few players, and last week I was that guy."
Other mistakes have been equally glaring.
At New Orleans two weeks ago, Lance Moore returned Koenen's first kickoff 72 yards to the Atlanta 6, and the Saints took a seven-point lead three plays later.
After the Falcons forced a 7-7 tie on the next possession, Courtney Roby returned the ensuing kickoff 39 yards, but he might have scored if not for Koenen's tackle.
"Everybody's got to do their job," Koenen said this week. "Obviously, if I'm making tackles, then they're getting past where we want them to do, but if I have to I will."
In the season-opening loss at Pittsburgh, Mughelli had a 9-yard holding penalty that wiped out Eric Weems' 19-yard return, and six plays later, after Koenen punted from the Atlanta 9, the Steelers won the game.
"We have got to be more effective and efficient on special teams," Smith said. "It's really one third of the game."