What is the fine-grained topic of the following text: Premier League Riders’ Championship line-up: 1 Ulrich Ostergaard (Panthers), 2 Richard Lawson (Glasgow), 3 Nick Morris (Glasgow), 4 Rohan Tungate (Ipswich), 5 Steve Worrall (Newcastle), 6 Craig Cook (Edinburgh), 7 Ricky Wells (Workington), 8 Sam Masters (Edinburgh), 9 Matej Kus (Redcar), 10 Thomas Jorgensen (Berwick), 11 Brady Kurtz (Somerset), 12 Jason Garrity (Sheffield), 13 Josh Grajczonek (Somerset), 14 Alex Davies (Scunthorpe), 15 Kyle Newman (Plymouth), 16 Edward Kennett (Rye House). Only return the topic.
Premier League Riders’ Championship line-up