Stephen Peters & Steven Patterson - Patterson removes Peters and James Middlebrook in the first 10 overs  

Kyle Coetzer & Mitchell Starc - Starc impresses on his LV= County Championship debut, taking two wickets in his opening spell  

David Murphy and Jonny Bairstow - Murphy hits 40 to take Northants past three figures  

Ryan Sidebottom - Sidebottom celebrates one of three wickets  

Jonny Bairstow & Andrew Hall - The Northants captain holds up Yorkshire with 79  

David Willey - Willey adds 39 in Northants' first-innings 253, with Yorkshire reaching 27 without loss at the close