A wild last few minutes was highlighted by Shuttleworth facing down the penalty kick taken by Chicago’s Juan Luis Anangono after Fire forward Mike Magee clipped the post. Revolution defender Kevin Alston was called for handling the ball on the goal line, setting up Anangono’s opportunity. Shuttleworth denied Anangono and midfielder Andy Dorman cleared the subsequent rebound to preserve the tie.

“I’m just trying to read him a bit and it is an educated guess and spread myself and I made the save,” Shuttleworth said.

It was a remarkable turn of events as just a few minutes earlier, the Revolution had a golden opportunity to take the match when Tierney, who entered as a substitute at halftime, took a cross from forward Teal Bunbury deep in the Chicago box. Tierney appeared to be in great position to score, but the shot caromed off teammate Daigo Kobayashi and out of danger.

“Teal made a great run and played a great ball across. I was trying to smash a hard ball on goal and I was unlucky as Daigo was knocked down and it just went off his back,” Tierney noted. “I think I could have done better and tried to slot it or find a hole.”

The Revolution (2-3-2) failed to take advantage of playing with an extra attacker in the last portion of the match when Chicago forward Quincy Amarikwa picked up his second yellow card in the 73d minute.

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“We looked like we were going to get something from that and get them tired and then I think we got a little bit relaxed in the fact that we were up a man,” Revolution coach Jay Heaps said.

Chicago (0-1-6), which tied an MLS mark with its sixth straight tie, took the lead in the 16th minute. On the counterattack, midfielder Harry Shipp was open at midfield and found Amarikwa streaking down the field and found a seam between defenders Andrew Farrell and Darrius Barnes and Amarikwa easily beat Shuttleworth.

Throughout the early portion of the match, the Revolution were adjusting to the loss of defender Jose Goncalves, who did not play because of a strained right quad. Barnes got his second start of the year at right back and Farrell moved to center back.

The Revolution settled down and tied the match in the 31st minute Alston was knocked down in the Chicago box. Midfielder Lee Nguyen buried the penalty kick in the right corner.

Overall, the Revolution continued their strong defensive effort — they have allowed five goals in their last six matches. Shuttleworth was credited with making five saves on 17 Chicago shots.

For next week’s home match against Sporting KC, the Revolution will likely be even more shorthanded. In addition to Goncalves being out, Alston will be suspended for his red card and midfielder Diego Fagundez left at halftime with an unspecified injury. In addition, midfielder Kelyn Rowe, who was listed as questionable with a hamstring strain, did not make the trip.

But Tierney was able to return after missing last week’s match with an injured left hip.

“It was great to be out there,” he said.

The Revolution left Toyota Park satisfied with getting the point on the road.

“Back and forth, we will take the draw,” noted Heaps, who was back behind the bench after being suspended for last week’s match against Houston. “To give up a penalty kick in the 92d and to get out of here with a huge save and a draw, we’ll take it.”