Career
He stands 6"2" and weighs 195 lbs. He previously played in MLB for the Atlanta Braves. Simmons played youth baseball alongside fellow Curaçao natives Kenley Jansen and Didi Gregorius.
He also played basketball and soccer.
Due to his slight build, Simmons did not draw much attention from MLB scouts until attending Western Oklahoma State College in Altus, Oklahoma. As a freshman at Western Oklahoma State, Simmons hit.472 with seven home runs and 40 RBIs, leading his team to the 2010 NJCAA Division II College World Series.
Atlanta Braves
Simmons was drafted by the Atlanta Braves in the second round of the 2010 Major League Baseball Draft out of Western Oklahoma State College. Prior to the 2012 season, Simmons was the Braves" fourth best prospect according to Baseball America.
He was ranked 92nd in all of baseball.
During spring training he competed with Tyler Pastornicky for the Braves starting shortstop job. On May 30, 2012, the Braves called Simmons up, and he made his Major League debut on June 2 against the Washington Nationals. He got his first Major League hit, a double, on June 3.
Simmons was named National League Rookie of the Month for June 2012 after hitting.333 with six doubles, three home runs and 14 RBIs in June 25 games.
He led all Netherlands rookies in batting average and on-base percentage. On July 8, 2012, during a game against the Philadelphia Phillies, Simmons suffered a non-displaced fracture of the fifth metacarpal on his right hand while sliding head-first into second base.
On July 9, he was placed on the 15-day disabled list. In 2013, Simmons played for the Kingdom of the Netherlands in the World Baseball Classic.
On June 4, 2013, Simmons hit his first walk-off hit.
On February 20, 2014, the Atlanta Braves signed Simmons to a seven-year deal worth $58 million. Los Angeles Angels of Anaheim
On November 12, 2015, Simmons, along with catcher Jose Briceno, were traded to the Los Angeles Angels of Anaheim for Erick Aybar, Sean Newcomb, Chris Ellis.