1) Athlete on a mat 2) Battler 3) Belligerent 4) Combatant 5) Fighter 6) Grappler 7) Hulk Hogan 8) Lock breaker 9) Matman 10) One familiar with pins 11) One trying to pin a rival 12) One using a pile driver 13) One with pin tales 14) Scrapper 15) SmackDown figure 16) Sumo fighter 17) The rock or triple h Found on https://www.crosswordclues.com/clue/wrestler
HMS Wrestler was a British Escort Type destroyer of 900 tons displacement launched in 1918. After being rearmed for escort duties in 1938-1939 she was armed with four 4-inch guns and two multiple-machine-guns. She was powered by two Thornycroft oil boilers providing a top speed of 28 knots. Found on http://www.probertencyclopaedia.com/browse/RW.HTM