Sekiwake Tamawashi became the second oldest wrestler in sumo's current format to secure his maiden championship, winning the New Year Grand Sumo Tournament on Sunday, the tourney's 15th and final day.The 34-year-old Mongolian wrapped up his triumph with his 13th victory, beating No. 9 maegashira Endo (10-5) for the 10th time in 16th career bouts. Tamawashi had entered the day with a one-win lead over 22-year-old Takakeisho, who had won his maiden championship in November.Tamawashi made quick work of Endo, receiving his charge, pushing him up, throwing him off balance with a couple of full-b…READ FULL ARTICLE