There are only two teams that end in a letter other than an "s": The Chicago White Sox and the Boston Red Sox. All other teams end in an "s" because it is plural.
There isn't an NFL team that does not end in s.
Miami Heat Utah Jazz Oklahoma City Thunder
The professional men's sports teams that do not begin with an s are these teams. Minnesota Wild (Hockey) Miami Heat (Basketball) Orlando Majic (Basketball) Colorado Avalanche (Hockey) Boston Red Sox (Baseball) Chicago White Sox (Baseball) Utah Jazz (Basketball) Tampa Bay Lightning (Hockey) los angles galaxy
7 pro teams that don't end in s are the Miami heat, Orlando magic, Oklahoma city thunder, (basketball) Boston red sox, Chicago white sox,(baseball) Colorado avalanche ,and Tampa Bay lighting (hockey)
takes tales tames tapes teams tears teens tells tills tolls Tunis turns
Seahawks Steelers etc.
There are only 3 NBA basketball teams that don't end in s. Which are Heat, Magic, and Jazz. I see that that others have thought of the OKC THUNDER, but what about WNBA: (lets not forget the girls out there) Which includes the Minnesota Lynx!!
News begins with n and end with letter s. Nuts and naps begin with n and end with s.
Examples of singular nouns that end with the letter 's' are:abacusabyssalbatrossaxisbonusbrassbuscactuscanvasclassdressduressexcessexodusflossfocusfussgasgeniusglassgoddessgrassguessharnesshostessibisirisisthmuskindnesslasslenslosslotusmassmessmissmistressmossnautilusnemesisoasisonusopuspasspelvisplatypuspusradiusrecesssinusstatusstressthesaurustuberculosisviruswalrus
HEAT MAGIC JAZZ THUNDER
Seattle Seahawks