what is with this call from twin caracas?

[Foldarama_City]

why would he call this?

PokerStars No-Limit Hold'em, $10 BB (7 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

SB (twin-caracas)/ ($985)
BB ($927.75)
DaPlaya ($985)
MP1 ($192.25)
MP2 ($868)
CO ($1121.25)
Button (Lyric)/ ($1377)

Preflop: DaPlaya is UTG with 7, 3.
Lyric: raises $30 to $40
twin-caracas: raises $140 to $180
fitz420: folds
Lyric: raises $1197 to $1377 and is all-in
twin-caracas: calls $805 and is all-in
Flop: ($2372) 4, 6, 4 (2 players, 1 all-in)</font>

Turn: ($2372) 4 (2 players, 1 all-in)</font>

River: ($2372) 3 (2 players, 1 all-in)</font>

*** SHOW DOWN ***
twin-caracas: shows [8h 9c] (three of a kind, Fours)
Lyric: shows [As 7s] (three of a kind, Fours - Ace kicker)
Lyric collected $1977 from pot
Final Pot: $2372