By Bruce Levine–

CHICAGO (CBS) — Art imitated life on the baseball field for White Sox closer David Robertson on Thursday night when he became the observer rather than the participant. Robertson was in the midst of pitching the ninth inning against the Mariners when game was halted by three different fans running onto U.S. Cellular Field.

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The time in between action was significant for Robertson, as each trespasser displayed uncanny running abilities.

“That is the first time I ever had people run out on the field when I was pitching,” Robertson said. “The first two guys, I said to myself, ‘OK, now they have it under control.’ The next guy kind of just got me angry.”

Robertson got the win in Chicago’s 7-6 walk-off victory. He said afterward he had seen fans’ sprinting performances in other venues as well.

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“That is just part of it, I guess,” he said. “I had been in a game at Seattle and saw four people run on the field. One of them wasn’t wearing any clothes — that was interesting. All he had on was a backwards hat. He should have kept on his shoes for traction. He did not get very far.”

The fun-loving Robertson felt bad for the worn-out security officers, who had a heck of a time catching all three intruders. One in particular ran all the way across the field from the first-base line into the third-base stands without getting grabbed. A group of off-duty state policemen made the assist on the fan as he ran into the stands.

“I guess it made sense to the third guy to go on,” Robertson said. “They were all tired after chasing the first two guys. Makes sense.”

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Bruce Levine covers the Cubs and White Sox for 670 The Score and CBSChicago.com. Follow him on Twitter @MLBBruceLevine.