Major League Rugby kicks off its second season this weekend with two new teams to watch. The Toronto Arrows will join Rugby United New York in taking on the Seattle Seawolves, Glendale Raptors, Austin Elite, Houston SaberCats, San Diego Legion, NOLA Gold and the Utah Warriors. Next year, the New England Free Jacks and as yet unnamed teams in Washington and Atlanta are scheduled to join the professional rugby union competition. Prospective teams continue to build in Dallas, Los Angeles, Ohio and elsewhere. Fascinating stories are brewing. Consider two. In Seattle, the Seawolves will open on Sunday against the team they beat in the first championship game, the Raptors from Colorado. Thousands of miles away in wintry Gotham, New York are preparing to enter the fray. Seattle won MLR in year one rather in the way Wasps used to win the English Premiership: they didn’t finish top of the regular-season ladder, losing at home and away to Glendale, but they turned things round on neutral ground in the final. In a sense this was not a surprise: the Emerald City is a rugby hotbed, home to the storied Saracens club, plugged in cross-border with teams from British Columbia. The Seawolves…