This could go in a million threads, but for note, Santander just made a poor throw to prevent a routine 1-6-3 DP and he should be thanking Mateo that ball didn't either allow the runner to be safe, or go flying into LF.
Just wanted to make note. He actually fielded a sharp chopper cleanly and made a quick, hard throw, but as McDonald explained on the broadcast quite well: He didn't position himself properly to make the throw by taking a step in to his left and creating a line to throw to 2nd. That's something that can be learned.