Which player was nicknamed "Mr. Smile"?

What position did Gerrit Cole primarily play? Gerrit Cole is best known for playing with which MLB team? What uniform number did Gerrit Cole wear with the Yankees? What position did Francisco Lindor primarily play? What position did Paul Skenes primarily play? Paul Skenes is best known for playing with which MLB team? What uniform number did Paul Skenes wear with the Pirates? What position did Bobby Witt Jr. primarily play?