The former No. 1 ranked women’s tennis player returns Wednesday from a 15-month suspension for using the banned heart drug meldonium, playing as a wild-card entry against Roberta Vinci in the Porsche Grand Prix in Stuttgart, Germany. The 39-year-old, who has won the Eclipse Award for outstanding jockey the past four years, was elected to the National Museum of Racing’s Hall of Fame, along with jockeys Victor Espinoza and Garrett Gomez and thoroughbred Goldikova. Entering the week, Castellano had 4,664 career wins and was ranked fifth all-time in purse earnings, with more than $276 million.