which teams has he played for?
The Yankees.
Don Mattingly
Mattingly became the Yankees' full-time first baseman 
who is derek jeter? He is a former professional baseball shortstop, businessman, and baseball executive. when was he born? 26 June ,1974. where? Pequannock Township, New Jersey. do you know his parent's names? Yes, Dorothy and Sanderson Charles Jeter. is he married? Yes, to Hannah Davis. does he have kids? Yes, they have two daughters. for which team does he play? The Yankees. has he received any awards or honors? He has been inducted into the New Jersey hall of Fame and Baseball Hall of fame. can you name some other players who play the same sport as him? Ken Huckaby, Don Mattingly and Josh Beckett. which team does the first guy play for? Toronto Blue Jays. is he a coach? Yes, he is a minor league coach. when did the second guy start paying this sport? He debuted in 1982. is he into any other business apart from sports? He was the owner of a restaurant .
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Don Mattingly [SEP] Major League Baseball (1982–1995)
He hit his first home run on June 24 against John Tudor of the Red Sox. Mattingly became the Yankees' full-time first baseman in 1984. With a batting average of .339, he was selected as a reserve for the 1984 All-Star Game. Heading into the final game of the season, Mattingly and teammate Dave Winfield were competing for the American League batting title, with Mattingly trailing Winfield by .002. On the final day of the season. Mattingly went 4-for-5, while Winfield batted 1-for-4. Mattingly won the batting title with a .343 average, while Winfield finished second with a .340 average.