Knoxville NightHawks
The NightHawks were the second indoor/arena football team based in Knoxville , following the Tennessee ThunderCats which played in the Indoor Professional Football League for the 2001 season before joining the National Indoor Football League where they played the 2002 and 2003 seasons ( the latter of which they played as the Tennessee Riverhawks ) before moving to Greenville , South Carolina . 
<triplet> 2002 <subj> National Indoor Football League <obj> sports season of league or competition <subj> 2002 <obj> point in time <triplet> 2003 <subj> National Indoor Football League <obj> sports season of league or competition <subj> 2003 <obj> point in time