Which Red Sox outfielder was the first to win MVP and Rookie of the Year in the same season, in 1975?

Which Cubs broadcaster and former third baseman had his No. 10 retired by the team? Which Cubs second baseman, nicknamed "Ryno," won the 1984 NL MVP? Which Expos and Cubs outfielder, nicknamed "The Hawk," won the 1987 NL MVP? Which Mariners outfielder won both AL MVP and Rookie of the Year in 2001? Which Blue Jays slugger won the 2015 AL MVP? Which Cubs third baseman won the 2016 NL MVP? Which Braves first baseman won the 2020 NL MVP? Which Braves outfielder was the unanimous 2023 NL MVP?