This is breaking news from the MLB’s twitter account. Mets ace pitcher Johan Santana has a right ankle sprain that will force him to go on the 15-Day DL.
BREAKING: @Mets place LHP Johan Santana on 15-day DL with right ankle sprain.
— MLB (@MLB) July 21, 2012
Sports Illustrated provides the reason in their article here.
On July 6th, Cubs outfielder Reed Johnson stepped on Santana’s right ankle at first base. Ever since Santana has pitched poorly.
Santana is 0-3 with a 13.50 ERA in his last three outings, the worst stretch of his stellar career.