scrape the bottom of the barrel(to use the worst people or things because that is all that is available: Richard's in the team? You really are scraping the barrel!)
a whole different ball game(No, it's a whole different ball game. • I know you think you're some hotshot just because you worked in television once, but working on a film is a whole new ball game. • I used to race dirtbikes and ATVs quite often but sportbikes are a whole different ball game.4uzhoj)
just a stone's throw from(The massive mola sunfish — 2m wide and 3m across, and a third of a metre thick — was basking and swimming in the calm bay just a stone’s throw from the front of his house.castanet.netART Vancouver)