Cesc Fabregas tops WhoScored's list of debuts from the weekend but you might also be surprised to see Patrick van Aanholt and Andrew Robertson in there...
We could have done practically a whole quiz on Chelsea's loanees but instead we've gone for the traditional one question per club...
1) Who made history when he made the first of over 300 appearances for Arsenal at the age of 16 years, 177 days in October 2003?
2) Which England international holds the Villa club record for being their youngest ever Premier League player?
3) Which youngest-ever PL player for Chelsea now plays for Bristol City?
4) Who made his Everton debut at 16 years and 191 days in August 2008 and has recently signed a four-month deal with Oldham after his release in the summer?
5) Which England U-21 defender took James Vaughan's record as the youngest ever PL player when he featured for Fulham at 16 years and 65 days old in 2007?
6) Who's the Liverpool left-back who made his debut for the club at 16 years and 250 days in 2010?
7) Who is both the youngest Man City player to grace the PL and the seventh-youngest to ever play for England?
8) Against which team did Federico Macheda make his PL debut at the age of 17 in 2009?
9) Newcastle's youngest ever player is now a coach at Birmingham City. Name him.
10) Who was the Norwich manager when Kris Renton (now at Bonnyrigg Rose Athletic) played for Norwich City at 16 years and 276 days in April 2007?
11) Which FS played for QPR at the age of 15 in September 1963 and later managed both QPR and Walsall?
12) Who was Reading manager in April 2003 when Peter Castle became the club's youngest-ever player at 16 years 49 days?
13) Who made his debut for Southampton in 2005 at 16 years and 143 days?
14) Stoke's youngest ever PL player Louis Moult has recently joined Northampton Town. Which former PL manager is their boss?
15) Sunderland's youngest ever PL player is which current England Under-21 international?
16) Josh McEachran - Swansea's youngest Premier League player - is currently on loan at which club?
17) Who is Crystal Palace's and Tottenham's youngest ever player but is currently on loan at Swindon?
18) Which highly rated West Brom midfielder and England U-19 international made his debut for the club at 16 years and 328 days and spent much of last season on loan at Portsmouth?
19) Which current West Ham player became the youngest player to appear for their reserves in February 2003 at the age of 15?
20) Which youngest-ever PL player for Wigan had a loan spell with Blackpool last season and has scored for the Latics in the Carling Cup already in this campaign?
The answers are this-a-way...