Red Sox’ Danny Jansen makes history playing for 2 different teams in same game

Danny Jansen technically played for both the Red Sox and Blue Jays on Monday. Andrew Burke-Stevenson for The Boston Globe)Red Sox fans might want to save their scorecards if they attended the first leg of Boston’s doubleheader matchup against the Blue Jays on Monday.

Because for the first time in baseball’s lengthy history, a player technically played for two different teams during Monday’s contest at Fenway Park.

Red Sox catcher Danny Jansen served as both the hitter and catcher in the same at-bat in a resumption of a June 26 rain-delayed game.

Back when that June game was stopped between the Red Sox and Blue Jays, Jansen — then playing for Toronto — was up at the plate against Boston starter…