Exeter Chiefs grind out win over Wasps to reach first Premiership final

• Exeter 34-23 WaspsExeter continued this sporting year’s underdog theme by reaching the Premiership final for the first time, almost six years to the day after winning promotion from the Championship. Had bookmakers in 2010 been offering odds on the Chiefs winning the title this month, they would probably have been longer than 5,000-1.Not that Exeter went into their fourth match of the season against Wasps as underdogs. The Chiefs had won the six previous Premiership matches between