Say this much for San Diego Padres right fielder Fernando Tatis Jr.: He sure knows how to return to a lineup.

After missing all three games of a series with Milwaukee because of an undisclosed illness, Tatis was back in the lineup for Friday night's series opener with the Arizona Diamondbacks. He made an immediate impact, belting a fourth-inning grand slam in a 7-4 victory.

Tatis and San Diego will try to win the series on Saturday night. Most importantly, the Padres hope to get good news earlier in the day from Chicago.

There, the Cubs attempt to clinch homefield advantage for their wild-card series with the Padres by beating the St. Louis Cardinals. San Diego (88-72) is two games behind Chicago with two games left. It must sweep and hope the Cubs lose twice in order to stay at home fo

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