Anyone know how he did this?

Cerberus · October 2011

PokerStars Game #68500234285: Tournament #541011192, $10+$1 USD Hold'em No Limit - Level II (15/30) - 2011/10/05 0:05:08 ET
Table '541011192 28' 6-max Seat #2 is the button
Seat 1: captdan11 (1953 in chips) is sitting out
Seat 2: P0kaHolic (3360 in chips)
Seat 3: holden_man99 (2970 in chips)
Seat 4: bucarett (3000 in chips)
Seat 5: McAusland (4455 in chips)
Seat 6: DRJAJ (3230 in chips)
holden_man99: posts small blind 15
bucarett: posts big blind 30
*** HOLE CARDS ***
Dealt to McAusland [As Jc]
McAusland: raises 60 to 90
DRJAJ: folds
captdan11: folds
P0kaHolic: calls 90
holden_man99: calls 75
bucarett: calls 60
*** FLOP *** [5h 9c 8h]
holden_man99: bets 90
bucarett: folds
McAusland: folds
P0kaHolic: folds
Uncalled bet (90) returned to holden_man99
holden_man99 collected 360 from pot
holden_man99: shows [5c]
*** SUMMARY ***
Total pot 360 | Rake 0
Board [5h 9c 8h]
Seat 1: captdan11 folded before Flop (didn't bet)
Seat 2: P0kaHolic (button) folded on the Flop
Seat 3: holden_man99 (small blind) collected (360)
Seat 4: bucarett (big blind) folded on the Flop
Seat 5: McAusland folded on the Flop
Seat 6: DRJAJ folded before Flop (didn't bet)

How'd he show only one card? I wasn't fully watching this hand as I had another table going. Just happened to glance and see that only the 5c showed. I figured I was seeing things and pulled up the replay. Sure enough, only one card showed.