The pair have extended their stays at the Amex Stadium until the end of next season.
Goalkeeper Ankergren, 35, made just one appearance for the Seagulls during the 2014-15 campaign. Meanwhile, 35-year-old defender Calderon scored one goal in 41 matches.
Both players arrived at Brighton in 2010 and helped the club win the League One title under Gus Poyet in 2011.
Restore Data
| Team | P | W | D | L | F | A | GD | PTS | |
| 1 | Manchester CityMan City | 5 | 4 | 1 | 0 | 13 | 5 | 8 | 13 |
| 2 | Liverpool | 5 | 4 | 0 | 1 | 10 | 1 | 9 | 12 |
| 3 | Aston Villa | 5 | 4 | 0 | 1 | 10 | 7 | 3 | 12 |
| 4 | Arsenal | 5 | 3 | 2 | 0 | 8 | 3 | 5 | 11 |
| 5 | Chelsea | 5 | 3 | 1 | 1 | 11 | 5 | 6 | 10 |
| 6 | Newcastle UnitedNewcastle | 5 | 3 | 1 | 1 | 7 | 6 | 1 | 10 |
| 7 | Brighton & Hove AlbionBrighton | 5 | 2 | 3 | 0 | 8 | 4 | 4 | 9 |
| 8 | Nottingham ForestNott'm Forest | 5 | 2 | 3 | 0 | 6 | 4 | 2 | 9 |
| 9 | Fulham | 5 | 2 | 2 | 1 | 7 | 5 | 2 | 8 |
| 10 | Tottenham HotspurSpurs | 5 | 2 | 1 | 2 | 9 | 5 | 4 | 7 |
| 11 | Manchester UnitedMan Utd | 5 | 2 | 1 | 2 | 5 | 5 | 0 | 7 |
| 12 | Brentford | 5 | 2 | 0 | 3 | 7 | 9 | -2 | 6 |
| 13 | Bournemouth | 5 | 1 | 2 | 2 | 5 | 8 | -3 | 5 |
| 14 | West Ham UnitedWest Ham | 5 | 1 | 1 | 3 | 5 | 9 | -4 | 4 |
| 15 | Leicester CityLeicester | 5 | 0 | 3 | 2 | 6 | 8 | -2 | 3 |
| 16 | Crystal Palace | 5 | 0 | 3 | 2 | 4 | 7 | -3 | 3 |
| 17 | Ipswich TownIpswich | 5 | 0 | 3 | 2 | 3 | 8 | -5 | 3 |
| 18 | Southampton | 5 | 0 | 1 | 4 | 2 | 9 | -7 | 1 |
| 19 | Wolverhampton WanderersWolves | 5 | 0 | 1 | 4 | 5 | 14 | -9 | 1 |
| 20 | Everton | 5 | 0 | 1 | 4 | 5 | 14 | -9 | 1 |
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