You may have heard: Fernando Tatis Jr. hasn’t been homering all that much this season. Lately, however, he’s done just about everything else. He’s been hitting. He’s been running. He’s been playing excellent defense, whether at second base or in right field. The only thing missing has been the power. But he picked quite a time for his second home run of the season on Wednesday afternoon. Tatis launched a laser of a walk-off home run into the left-field seats at Petco Park, sending the Padres to a dramatic 5-4 victory over the Reds in their series finale -- San Diego’s first series victory in its last five. “About time we got a series win,” said Tatis, whose walk-off home run was the second of his career. “To do it in that way, do it in that fashion, it’s definitely special. Especially \[because\
