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By now, you've undoubtedly heard about Thursday night's shooting in Dallas that left 12 police officers (as well as two civilians) wounded or dead. On Friday, baseball -- specifically the Texas Rangers organization -- reacted to the senselessness with some kindness.

Rangers prospect Joey Gallo posted a tribute to one of the slain officers on his Instagram account. As it turns out, Gallo and fellow Rangers outfielder Nomar Mazara had met officer Patrick Zamarripa a few months back, when Zamarripa requested a picture.

Here's the photo along with what Gallo wrote:

A couple months ago @nomazara26 and I were walking down the street in downtown Dallas. When an officer stopped us, Mazara and I immediately became nervous, "I know who you guys are" he said. "Joey Gallo and Nomar Mazara, can I get a picture with you guys please?" It was definitely a first for me and Nomar to have an officer, a true hero, want to meet us. His name is Patrick Zamarripa, one of the officers killed in last nights shootings in Dallas. I'll never forget how kind and down to Earth he was. We ended up having a 15 minute conversation about sports with him. He was an avid Rangers fan. But more importantly a great person, and family man. Please keep Patrick, and all the officers affected and their families in our prayers today. #prayfordallas

A photo posted by Joey Gallo (@joeygallo24) on

Meanwhile, the Rangers' Double-A affiliate -- the Frisco RoughRiders -- are wearing Dallas Police Department hats the next two nights, then auctioning them off and donating the profits to the Assist the Officer Foundation:

No gesture will undo the damage done on Thursday. Still, here's hoping the gestures by the Rangers and all others will help the families and communities affected heal bit by bit.