Markus Lynn "Mookie" Betts is an American professional baseball outfielder, shortstop, and second baseman for the Los Angeles Dodgers of Major League Baseball. He has previously played in MLB for the Boston Red Sox. From Wikipedia
After battling a severe illness, Betts delivers two home runs, including a 10th-inning walk-off, to lead the Dodgers to an 8-5 win and a 4-0 season start.