It was the third league to be known after the MISL I and MISL II .
National Indoor Soccer League -- The Major Indoor Soccer League , originally known as the National Indoor Soccer League , was a professional indoor soccer league which began play in 2008 .
National Indoor Soccer League was the third league to be known after the Major Indoor Soccer League I and MISL II .
National Indoor Soccer League -- The Major Indoor Soccer League , originally known as the National Indoor Soccer League , was a professional indoor soccer league which began play in 2008 .