.305 with an .801 OPS. On April 12, 2018, Mauer became the 287th player in the history of Major League Baseball to collect 2000 hits with a two-run 7th inning single off White Sox pitcher Aaron Bummer. In the 9th inning of the last game of the 2018 MLB season on September 30, 2018, at Target Field, amidst speculation that he would retire at the end of the year, Mauer made an appearance as catcher for the first time since his concussion in 2013, before being removed for backup Chris Gimenez after one pitch. He exited to a standing ovation from the crowd and both dugouts. In his last season he batted .282/.351/.379 with 6 home runs and 48 RBIs, and led all major league hitters with a batting average of .407 with runners in scoring position, and saw the highest percentage of fastballs of all MLB hitters (63.6%). On November 9, 2018, Mauer officially retired from baseball in an open letter to Twins fans. The Twins announced they would retire Mauer's No. 7 during the 2019 season, eventually setting the date as June 15. MLB records Mauer holds the MLB single-season records for the highest single-season batting average for catchers (.365), which he set in 2009 and the highest single-season on-base percentage for a catcher (.444), which he also set in 2009. His career on-base percentage is the highest among major league catchers with a minimum of 500 games played. Mauer is also the first AL catcher to win a batting title and holds the record for the most batting titles by a catcher in a career (3). Career statistics In 1,858 games over 15 seasons, Mauer posted a .306 batting average (2,123-for-6,930) with 1,018 runs, 428 doubles, 30 triples, 143 home runs, 923 RBIs, 939 bases on balls, .388 on-base percentage and .439 slugging percentage. He finished his career with a .996 fielding percentage playing at catcher and first base. Mauer had 5 five-hit games and 23 four-hit games in his MLB career. International career Mauer was selected as a catcher and first baseman for Team USA in the 2013 World Baseball Classic. Other work Mauer modeled for Perry Ellis in the 2004–05 off-season, and is featured in television commercials for Head & Shoulders, Pepsi, ESPN, Fox Sports Net, PlayStation 3, Gatorade and my29. Joe Mauer's family manufactured and sold a product called Joe Mauer's Quickswing. Invented by