An unfazed Yu Darvish continues his warmups while tornado sirens blare at Wrigley Field

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A tornado warning was in effect for the Chicago area on Monday night, which led to some eerie scenes across the city. San Diego Padres pitcher Yu Darvish didn't seem too concerned.

As tornado sirens were going off loudly around Wrigley Field, the former Cubs pitcher was the only player out and about on the field. While the rest of the team took cover inside the clubhouse, Darvish remained outside to go through his regular warmup routine in preparation for his start.

When it comes to severe weather and tornadoes, this is the last thing you should be doing. And yet, Darvish was so casual about it all. (Sound on for the sirens)