Every coach tries to influence the game, but the full-time whistle always sounds that little bit sweeter when a substitute makes a defining contribution.
bundesliga.com looks back on the game-changing introductions that scored a Bundesliga record 11 goals between them on Matchday 2 of the 2016/17 campaign...
- After being introduced by Roger Schmidt in the 72nd minute, Finland striker Joel Pohjanpalo went on to score an incredible 11-minute hat-trick as Bayer 04 Leverkusen came from a goal down to beat Hamburger SV 3-1 at the BayArena, with fellow second-half substitute Julian Brandt providing the assist for the Finn's first of the afternoon.
- Ralph Hasenhüttl also struck gold with a double change of his own in RB Leipzig's home debut in the Bundesliga. With the clock heading towards time added on, Oliver Burke teed up Naby Keita to hand Leipzig their first ever Bundesliga win and send last season's runners-up Borussia Dortmund home pointless.
Watch: Leipzig secure historic win over Dortmund:
- Hertha Berlin striker Julian Schieber and FC Bayern München defensive specialist Joshua Kimmich stepped of the bench to put the seal on 2-0 wins over FC Ingolstadt 04 and FC Schalke 04 respectively.
- Nils Petersen made his presence felt in SC Freiburg's 3-1 win against Borussia Mönchengladbach. The 27-year-old grabbed an assist as Die Breisgauer took the lead for the first time and won the penalty that produced their match-clinching third effort of the afternoon.
Watch: Freiburg turn the table on Gladbach:
- SV Darmstadt 98 substitute Sandro Sirigu struck in the 90th minute as the Lilies edged Eintracht Frankfurt 1-0 in the Hessen derby.
- Julian Nagelsmann's strong hand produced three of TSG 1899 Hoffenheim's four second-half goals in the 4-4 draw at 1. FSV Mainz 05's Opel Arena. Mark Uth scored twice in as many minutes, before Adam Szalai completed the comeback.
Watch: Mainz and Hoffenheim don Sunday best in Bundesliga classic:
One for the history books
- Never before have substitutes scored 44 per cent of a Bundesliga matchday's total goals (11 of 25).
- Substitute goalscorers Pohjanpalo, Keita, Schieber, Kimmich, Petersen, Sirigu, Uth and Szalai had 103 touches between them.
- The previous single Bundesliga match day record for total goals by substitutes was eight.