Complex sentence: The Red Sox and Twins play a game against each other, with the winner clinching a tie for the pennant and the loser being eliminated; in it, MVP Carl Yastrzemski goes 4 for 4 as the Red Sox beat the Twins 5-3.
Split into simpler sentences: The Red Sox and Twins play a game against each other, with the winner clinching a tie for the pennant and the loser being eliminated. In that game, eventual American League MVP Carl Yastrzemski goes 4 for 4 as the Red Sox beat the Twins 5-3.