For the sake of argument, I am assuming the following: 1. Each of the fighters listed herein will win their next fight. 2. "Fighter of the Year" for 2013 will include the results of the December 14 UFC On Fox 9 card, which includes Pettis v. Thomson and Brown v. Condit. 3. Results from the December 29, 2012, UFC 155 card (featuring JDS v. Velasquez II) will be included in the analysis for Fighter of the Year for 2013. All of this being stipulated to, let's get to the nominees and their resumes.... Cain Velasquez Dec. 29, 2012: Defeats JDS via UD, wins title May 25, 2013: Defeats Antonio Silva via KO/TKO, defends title Oct. 19, 2013: Beats JDS, defends title Junior Dos Santos Dec. 29, 2012: Loses to Velasquez via UD, loses title May 25, 2013: Defeats Mark Hunt via KO/TKO Oct. 19, 2013: Defeats Cain, wins title Jon Jones Apr. 27, 2013: Defeats Chael Sonnen via TKO, defends title Sep. 21, 2013: Defeats Alexander Gustaffson via UD, defends title Chris Weidman Jul. 6, 2013: Defeats Anderson Silva via TKO, wins title Georges St. Pierre Mar. 16, 2013: Defeats Nick Diaz via UD, defends title Nov. 16, 2013: Defeats Johny Hendricks, defends title Johny Hendricks Mar. 16, 2013: Defeats Carlos Condit via UD Nov. 16, 2013: Defeats GSP, wins title Matt Brown Apr. 20, 2013: Defeats Jordan Mein via TKO Aug. 17, 2013: Defeats Mike Pyle via KO Dec. 14, 2013: Defeats Carlos Condit Anthony Pettis Jan. 26, 2013: Defeats Donald Cerrone via TKO Aug. 31, 2013: Defeats Benson Henderson via submission, wins title Dec. 14, 2013: Defeats Josh Thomson, defends title Jose Aldo Feb. 2, 2013: Defeats Frankie Edgar via UD, defends title Aug. 3, 2013: Defeats Chan Sung-Jung via TKO, defends title Renan Barao Feb. 16, 2013: Defeats Michael McDonald via submission, defends interim title Sep. 21, 2013: Defeats Eddie Wineland via KO/TKO, defends interim title Demetrious Johnson Jan. 26, 2013: Defeats John Dodson via decision, defends title Jul. 26, 2013: Defeats John Moraga via submission, defends title Now let's get into the general criteria for determining Fighter of the Year.... 1. Number of wins. Normally, a Fighter of the Year tends to have at least three wins in a calendar year. This year's a bit different, however, so I won't cut those with only two wins. One win is not enough to make Weidman Fighter of the Year, however. He's cut. JDS, even if he beats Cain, still has a loss to Cain in the same calendar year. Cut. 2. Quality wins. Matt Brown's been doing well, but only beating gatekeepers. Even a win over Condit likely won't put him over the top. Cut. GSP = too many decisions. Cut. 3. Wow factor. Jones's, Aldo's, and Johnson's wins this year have been pretty workmanlike. Cut. This leaves Cain, Hendricks, Pettis, and Barao as our potential fighters of the year. Barao is done for the year with only two wins. If Hendricks beats GSP, he also will have only two wins, but they will be over Condit and GSP. Extremely impressive. If Cain and Pettis each win their next fight, they will have both won a title and defended the title against quality opponents. Who ends up Fighter of the Year? Have at it.